81915053330

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{821}}^1\times {\mathrm{22123}}^1$

素因数の和:23003

約数の個数: 64

約数和(自身を含む): 164982738816

約数和(自身を除く): 83067685486

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 205, 410, 451, 821, 902, 1642, 2255, 4105, 4510, 8210, 9031, 18062, 22123, 33661, 44246, 45155, 67322, 90310, 110615, 168305, 221230, 243353, 336610, 370271, 486706, 740542, 907043, 1216765, 1814086, 1851355, 2433530, 3702710, 4535215, 9070430, 9977473, 18162983, 19954946, 36325966, 49887365, 90814915, 99774730, 181629830, 199792813, 399585626, 744682303, 998964065, 1489364606, 1997928130, 3723411515, 7446823030, 8191505333, 16383010666, 40957526665, 81915053330]

約数ペア:

[(1, 81915053330), (2, 40957526665), (5, 16383010666), (10, 8191505333), (11, 7446823030), (22, 3723411515), (41, 1997928130), (55, 1489364606), (82, 998964065), (110, 744682303), (205, 399585626), (410, 199792813), (451, 181629830), (821, 99774730), (902, 90814915), (1642, 49887365), (2255, 36325966), (4105, 19954946), (4510, 18162983), (8210, 9977473), (9031, 9070430), (18062, 4535215), (22123, 3702710), (33661, 2433530), (44246, 1851355), (45155, 1814086), (67322, 1216765), (90310, 907043), (110615, 740542), (168305, 486706), (221230, 370271), (243353, 336610)]