257067252

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1$

素因数の和:143

約数の個数: 216

約数和(自身を含む): 767370240

約数和(自身を除く): 510302988

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 29, 31, 36, 39, 47, 52, 58, 62, 78, 87, 93, 94, 116, 117, 124, 141, 156, 169, 174, 186, 188, 234, 261, 279, 282, 338, 348, 372, 377, 403, 423, 468, 507, 522, 558, 564, 611, 676, 754, 806, 846, 899, 1014, 1044, 1116, 1131, 1209, 1222, 1363, 1457, 1508, 1521, 1612, 1692, 1798, 1833, 2028, 2262, 2418, 2444, 2697, 2726, 2914, 3042, 3393, 3596, 3627, 3666, 4089, 4371, 4524, 4836, 4901, 5239, 5394, 5452, 5499, 5828, 6084, 6786, 7254, 7332, 7943, 8091, 8178, 8742, 9802, 10478, 10788, 10998, 11687, 12267, 13113, 13572, 14508, 14703, 15717, 15886, 16182, 16356, 17484, 17719, 18941, 19604, 20956, 21996, 23374, 23829, 24534, 26226, 29406, 31434, 31772, 32364, 35061, 35438, 37882, 42253, 44109, 46748, 47151, 47658, 49068, 52452, 53157, 56823, 58812, 62868, 70122, 70876, 71487, 75764, 84506, 88218, 94302, 95316, 105183, 106314, 113646, 126759, 140244, 142974, 151931, 159471, 169012, 170469, 176436, 188604, 210366, 212628, 227292, 230347, 246233, 253518, 285948, 303862, 318942, 340938, 380277, 420732, 455793, 460694, 492466, 507036, 549289, 607724, 637884, 681876, 691041, 738699, 760554, 911586, 921388, 984932, 1098578, 1367379, 1382082, 1477398, 1521108, 1647867, 1823172, 2073123, 2197156, 2216097, 2734758, 2764164, 2954796, 3295734, 4146246, 4432194, 4943601, 5469516, 6591468, 7140757, 8292492, 8864388, 9887202, 14281514, 19774404, 21422271, 28563028, 42844542, 64266813, 85689084, 128533626, 257067252]

約数ペア:

[(1, 257067252), (2, 128533626), (3, 85689084), (4, 64266813), (6, 42844542), (9, 28563028), (12, 21422271), (13, 19774404), (18, 14281514), (26, 9887202), (29, 8864388), (31, 8292492), (36, 7140757), (39, 6591468), (47, 5469516), (52, 4943601), (58, 4432194), (62, 4146246), (78, 3295734), (87, 2954796), (93, 2764164), (94, 2734758), (116, 2216097), (117, 2197156), (124, 2073123), (141, 1823172), (156, 1647867), (169, 1521108), (174, 1477398), (186, 1382082), (188, 1367379), (234, 1098578), (261, 984932), (279, 921388), (282, 911586), (338, 760554), (348, 738699), (372, 691041), (377, 681876), (403, 637884), (423, 607724), (468, 549289), (507, 507036), (522, 492466), (558, 460694), (564, 455793), (611, 420732), (676, 380277), (754, 340938), (806, 318942), (846, 303862), (899, 285948), (1014, 253518), (1044, 246233), (1116, 230347), (1131, 227292), (1209, 212628), (1222, 210366), (1363, 188604), (1457, 176436), (1508, 170469), (1521, 169012), (1612, 159471), (1692, 151931), (1798, 142974), (1833, 140244), (2028, 126759), (2262, 113646), (2418, 106314), (2444, 105183), (2697, 95316), (2726, 94302), (2914, 88218), (3042, 84506), (3393, 75764), (3596, 71487), (3627, 70876), (3666, 70122), (4089, 62868), (4371, 58812), (4524, 56823), (4836, 53157), (4901, 52452), (5239, 49068), (5394, 47658), (5452, 47151), (5499, 46748), (5828, 44109), (6084, 42253), (6786, 37882), (7254, 35438), (7332, 35061), (7943, 32364), (8091, 31772), (8178, 31434), (8742, 29406), (9802, 26226), (10478, 24534), (10788, 23829), (10998, 23374), (11687, 21996), (12267, 20956), (13113, 19604), (13572, 18941), (14508, 17719), (14703, 17484), (15717, 16356), (15886, 16182)]