20180111105

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{701}}^1\times {\mathrm{3251}}^1$

素因数の和:3998

約数の個数: 64

約数和(自身を含む): 31558864896

約数和(自身を除く): 11378753791

約数列:

[1, 5, 7, 11, 23, 35, 55, 77, 115, 161, 253, 385, 701, 805, 1265, 1771, 3251, 3505, 4907, 7711, 8855, 16123, 16255, 22757, 24535, 35761, 38555, 53977, 74773, 80615, 112861, 113785, 177353, 178805, 250327, 269885, 373865, 523411, 564305, 822503, 886765, 1241471, 1251635, 2278951, 2617055, 4112515, 5757521, 6207355, 11394755, 15952657, 25068461, 28787605, 52415873, 79763285, 125342305, 175479227, 262079365, 366911111, 576574603, 877396135, 1834555555, 2882873015, 4036022221, 20180111105]

約数ペア:

[(1, 20180111105), (5, 4036022221), (7, 2882873015), (11, 1834555555), (23, 877396135), (35, 576574603), (55, 366911111), (77, 262079365), (115, 175479227), (161, 125342305), (253, 79763285), (385, 52415873), (701, 28787605), (805, 25068461), (1265, 15952657), (1771, 11394755), (3251, 6207355), (3505, 5757521), (4907, 4112515), (7711, 2617055), (8855, 2278951), (16123, 1251635), (16255, 1241471), (22757, 886765), (24535, 822503), (35761, 564305), (38555, 523411), (53977, 373865), (74773, 269885), (80615, 250327), (112861, 178805), (113785, 177353)]