86787910

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{821}}^1$

素因数の和:901

約数の個数: 48

約数和(自身を含む): 176309136

約数和(自身を除く): 89521226

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 821, 961, 1642, 1705, 1922, 3410, 4105, 4805, 8210, 9031, 9610, 10571, 18062, 21142, 25451, 45155, 50902, 52855, 90310, 105710, 127255, 254510, 279961, 559922, 788981, 1399805, 1577962, 2799610, 3944905, 7889810, 8678791, 17357582, 43393955, 86787910]

約数ペア:

[(1, 86787910), (2, 43393955), (5, 17357582), (10, 8678791), (11, 7889810), (22, 3944905), (31, 2799610), (55, 1577962), (62, 1399805), (110, 788981), (155, 559922), (310, 279961), (341, 254510), (682, 127255), (821, 105710), (961, 90310), (1642, 52855), (1705, 50902), (1922, 45155), (3410, 25451), (4105, 21142), (4805, 18062), (8210, 10571), (9031, 9610)]