391998348

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:225

約数の個数: 216

約数和(自身を含む): 1242608640

約数和(自身を除く): 850610292

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 28, 31, 36, 38, 42, 57, 62, 63, 76, 84, 93, 114, 124, 126, 133, 139, 171, 186, 217, 228, 252, 266, 278, 279, 342, 361, 372, 399, 417, 434, 532, 556, 558, 589, 651, 684, 722, 798, 834, 868, 973, 1083, 1116, 1178, 1197, 1251, 1302, 1444, 1596, 1668, 1767, 1946, 1953, 2166, 2356, 2394, 2502, 2527, 2604, 2641, 2919, 3249, 3534, 3892, 3906, 4123, 4309, 4332, 4788, 5004, 5054, 5282, 5301, 5838, 6498, 7068, 7581, 7812, 7923, 8246, 8618, 8757, 10108, 10564, 10602, 11191, 11676, 12369, 12927, 12996, 15162, 15846, 16492, 17236, 17514, 18487, 21204, 22382, 22743, 23769, 24738, 25854, 30163, 30324, 31692, 33573, 35028, 36974, 37107, 38781, 44764, 45486, 47538, 49476, 50179, 51708, 55461, 60326, 67146, 73948, 74214, 77562, 78337, 81871, 90489, 90972, 95076, 100358, 100719, 110922, 120652, 134292, 148428, 150537, 155124, 156674, 163742, 166383, 180978, 200716, 201438, 221844, 235011, 245613, 271467, 301074, 313348, 327484, 332766, 351253, 361956, 402876, 451611, 470022, 491226, 542934, 573097, 602148, 665532, 702506, 705033, 736839, 903222, 940044, 982452, 1053759, 1085868, 1146194, 1405012, 1410066, 1473678, 1555549, 1719291, 1806444, 2107518, 2292388, 2820132, 2947356, 3111098, 3161277, 3438582, 4215036, 4666647, 5157873, 6222196, 6322554, 6877164, 9333294, 10315746, 10888843, 12645108, 13999941, 18666588, 20631492, 21777686, 27999882, 32666529, 43555372, 55999764, 65333058, 97999587, 130666116, 195999174, 391998348]

約数ペア:

[(1, 391998348), (2, 195999174), (3, 130666116), (4, 97999587), (6, 65333058), (7, 55999764), (9, 43555372), (12, 32666529), (14, 27999882), (18, 21777686), (19, 20631492), (21, 18666588), (28, 13999941), (31, 12645108), (36, 10888843), (38, 10315746), (42, 9333294), (57, 6877164), (62, 6322554), (63, 6222196), (76, 5157873), (84, 4666647), (93, 4215036), (114, 3438582), (124, 3161277), (126, 3111098), (133, 2947356), (139, 2820132), (171, 2292388), (186, 2107518), (217, 1806444), (228, 1719291), (252, 1555549), (266, 1473678), (278, 1410066), (279, 1405012), (342, 1146194), (361, 1085868), (372, 1053759), (399, 982452), (417, 940044), (434, 903222), (532, 736839), (556, 705033), (558, 702506), (589, 665532), (651, 602148), (684, 573097), (722, 542934), (798, 491226), (834, 470022), (868, 451611), (973, 402876), (1083, 361956), (1116, 351253), (1178, 332766), (1197, 327484), (1251, 313348), (1302, 301074), (1444, 271467), (1596, 245613), (1668, 235011), (1767, 221844), (1946, 201438), (1953, 200716), (2166, 180978), (2356, 166383), (2394, 163742), (2502, 156674), (2527, 155124), (2604, 150537), (2641, 148428), (2919, 134292), (3249, 120652), (3534, 110922), (3892, 100719), (3906, 100358), (4123, 95076), (4309, 90972), (4332, 90489), (4788, 81871), (5004, 78337), (5054, 77562), (5282, 74214), (5301, 73948), (5838, 67146), (6498, 60326), (7068, 55461), (7581, 51708), (7812, 50179), (7923, 49476), (8246, 47538), (8618, 45486), (8757, 44764), (10108, 38781), (10564, 37107), (10602, 36974), (11191, 35028), (11676, 33573), (12369, 31692), (12927, 30324), (12996, 30163), (15162, 25854), (15846, 24738), (16492, 23769), (17236, 22743), (17514, 22382), (18487, 21204)]