81203608

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{2089}}^1$

素因数の和:2251

約数の個数: 32

約数和(自身を含む): 157251600

約数和(自身を除く): 76047992

約数列:

[1, 2, 4, 8, 43, 86, 113, 172, 226, 344, 452, 904, 2089, 4178, 4859, 8356, 9718, 16712, 19436, 38872, 89827, 179654, 236057, 359308, 472114, 718616, 944228, 1888456, 10150451, 20300902, 40601804, 81203608]

約数ペア:

[(1, 81203608), (2, 40601804), (4, 20300902), (8, 10150451), (43, 1888456), (86, 944228), (113, 718616), (172, 472114), (226, 359308), (344, 236057), (452, 179654), (904, 89827), (2089, 38872), (4178, 19436), (4859, 16712), (8356, 9718)]