78716990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{10079}}^1$

素因数の和:10168

約数の個数: 32

約数和(自身を含む): 156764160

約数和(自身を除く): 78047170

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 142, 355, 710, 781, 1562, 3905, 7810, 10079, 20158, 50395, 100790, 110869, 221738, 554345, 715609, 1108690, 1431218, 3578045, 7156090, 7871699, 15743398, 39358495, 78716990]

約数ペア:

[(1, 78716990), (2, 39358495), (5, 15743398), (10, 7871699), (11, 7156090), (22, 3578045), (55, 1431218), (71, 1108690), (110, 715609), (142, 554345), (355, 221738), (710, 110869), (781, 100790), (1562, 50395), (3905, 20158), (7810, 10079)]