1987213956

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{1249}}^1$

素因数の和:1354

約数の個数: 192

約数和(自身を含む): 6021120000

約数和(自身を除く): 4033906044

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 31, 39, 42, 47, 52, 62, 78, 84, 91, 93, 94, 124, 141, 156, 182, 186, 188, 217, 273, 282, 329, 364, 372, 403, 434, 546, 564, 611, 651, 658, 806, 868, 987, 1092, 1209, 1222, 1249, 1302, 1316, 1457, 1612, 1833, 1974, 2418, 2444, 2498, 2604, 2821, 2914, 3666, 3747, 3948, 4277, 4371, 4836, 4996, 5642, 5828, 7332, 7494, 8463, 8554, 8742, 8743, 10199, 11284, 12831, 14988, 16237, 16926, 17108, 17484, 17486, 18941, 20398, 25662, 26229, 30597, 32474, 33852, 34972, 37882, 38719, 40796, 48711, 51324, 52458, 56823, 58703, 61194, 64948, 75764, 77438, 97422, 104916, 113646, 113659, 116157, 117406, 122388, 132587, 154876, 176109, 194844, 227292, 227318, 232314, 234812, 265174, 271033, 340977, 352218, 397761, 410921, 454636, 464628, 503347, 530348, 542066, 681954, 704436, 763139, 795522, 813099, 821842, 1006694, 1084132, 1232763, 1363908, 1510041, 1526278, 1591044, 1626198, 1643684, 1819793, 2013388, 2289417, 2465526, 3020082, 3052556, 3252396, 3523429, 3639586, 4578834, 4931052, 5341973, 5459379, 6040164, 7046858, 7279172, 9157668, 10570287, 10683946, 10918758, 12738551, 14093716, 16025919, 21140574, 21367892, 21837516, 23657309, 25477102, 32051838, 38215653, 42281148, 47314618, 50954204, 64103676, 70971927, 76431306, 94629236, 141943854, 152862612, 165601163, 283887708, 331202326, 496803489, 662404652, 993606978, 1987213956]

約数ペア:

[(1, 1987213956), (2, 993606978), (3, 662404652), (4, 496803489), (6, 331202326), (7, 283887708), (12, 165601163), (13, 152862612), (14, 141943854), (21, 94629236), (26, 76431306), (28, 70971927), (31, 64103676), (39, 50954204), (42, 47314618), (47, 42281148), (52, 38215653), (62, 32051838), (78, 25477102), (84, 23657309), (91, 21837516), (93, 21367892), (94, 21140574), (124, 16025919), (141, 14093716), (156, 12738551), (182, 10918758), (186, 10683946), (188, 10570287), (217, 9157668), (273, 7279172), (282, 7046858), (329, 6040164), (364, 5459379), (372, 5341973), (403, 4931052), (434, 4578834), (546, 3639586), (564, 3523429), (611, 3252396), (651, 3052556), (658, 3020082), (806, 2465526), (868, 2289417), (987, 2013388), (1092, 1819793), (1209, 1643684), (1222, 1626198), (1249, 1591044), (1302, 1526278), (1316, 1510041), (1457, 1363908), (1612, 1232763), (1833, 1084132), (1974, 1006694), (2418, 821842), (2444, 813099), (2498, 795522), (2604, 763139), (2821, 704436), (2914, 681954), (3666, 542066), (3747, 530348), (3948, 503347), (4277, 464628), (4371, 454636), (4836, 410921), (4996, 397761), (5642, 352218), (5828, 340977), (7332, 271033), (7494, 265174), (8463, 234812), (8554, 232314), (8742, 227318), (8743, 227292), (10199, 194844), (11284, 176109), (12831, 154876), (14988, 132587), (16237, 122388), (16926, 117406), (17108, 116157), (17484, 113659), (17486, 113646), (18941, 104916), (20398, 97422), (25662, 77438), (26229, 75764), (30597, 64948), (32474, 61194), (33852, 58703), (34972, 56823), (37882, 52458), (38719, 51324), (40796, 48711)]