81915244

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{109}}^1\times {\mathrm{2111}}^1$

素因数の和:2313

約数の個数: 24

約数和(自身を含む): 146361600

約数和(自身を除く): 64446356

約数列:

[1, 2, 4, 89, 109, 178, 218, 356, 436, 2111, 4222, 8444, 9701, 19402, 38804, 187879, 230099, 375758, 460198, 751516, 920396, 20478811, 40957622, 81915244]

約数ペア:

[(1, 81915244), (2, 40957622), (4, 20478811), (89, 920396), (109, 751516), (178, 460198), (218, 375758), (356, 230099), (436, 187879), (2111, 38804), (4222, 19402), (8444, 9701)]