81263988

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{37}}^1$

素因数の和:111

約数の個数: 162

約数和(自身を含む): 241102134

約数和(自身を除く): 159838146

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 37, 38, 39, 52, 57, 74, 76, 78, 111, 114, 117, 148, 156, 169, 171, 222, 228, 234, 247, 333, 338, 342, 361, 444, 468, 481, 494, 507, 666, 676, 684, 703, 722, 741, 962, 988, 1014, 1083, 1332, 1406, 1443, 1444, 1482, 1521, 1924, 2028, 2109, 2166, 2223, 2812, 2886, 2964, 3042, 3211, 3249, 4218, 4329, 4332, 4446, 4693, 5772, 6084, 6253, 6327, 6422, 6498, 8436, 8658, 8892, 9139, 9386, 9633, 12506, 12654, 12844, 12996, 13357, 14079, 17316, 18278, 18759, 18772, 19266, 25012, 25308, 26714, 27417, 28158, 28899, 36556, 37518, 38532, 40071, 42237, 53428, 54834, 56277, 56316, 57798, 61009, 75036, 80142, 82251, 84474, 109668, 112554, 115596, 118807, 120213, 122018, 160284, 164502, 168948, 173641, 183027, 225108, 237614, 240426, 244036, 329004, 347282, 356421, 366054, 475228, 480852, 520923, 549081, 694564, 712842, 732108, 1041846, 1069263, 1098162, 1425684, 1562769, 2083692, 2138526, 2196324, 2257333, 3125538, 4277052, 4514666, 6251076, 6771999, 9029332, 13543998, 20315997, 27087996, 40631994, 81263988]

約数ペア:

[(1, 81263988), (2, 40631994), (3, 27087996), (4, 20315997), (6, 13543998), (9, 9029332), (12, 6771999), (13, 6251076), (18, 4514666), (19, 4277052), (26, 3125538), (36, 2257333), (37, 2196324), (38, 2138526), (39, 2083692), (52, 1562769), (57, 1425684), (74, 1098162), (76, 1069263), (78, 1041846), (111, 732108), (114, 712842), (117, 694564), (148, 549081), (156, 520923), (169, 480852), (171, 475228), (222, 366054), (228, 356421), (234, 347282), (247, 329004), (333, 244036), (338, 240426), (342, 237614), (361, 225108), (444, 183027), (468, 173641), (481, 168948), (494, 164502), (507, 160284), (666, 122018), (676, 120213), (684, 118807), (703, 115596), (722, 112554), (741, 109668), (962, 84474), (988, 82251), (1014, 80142), (1083, 75036), (1332, 61009), (1406, 57798), (1443, 56316), (1444, 56277), (1482, 54834), (1521, 53428), (1924, 42237), (2028, 40071), (2109, 38532), (2166, 37518), (2223, 36556), (2812, 28899), (2886, 28158), (2964, 27417), (3042, 26714), (3211, 25308), (3249, 25012), (4218, 19266), (4329, 18772), (4332, 18759), (4446, 18278), (4693, 17316), (5772, 14079), (6084, 13357), (6253, 12996), (6327, 12844), (6422, 12654), (6498, 12506), (8436, 9633), (8658, 9386), (8892, 9139)]