81425410

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43543}}^1$

素因数の和:43578

約数の個数: 32

約数和(自身を含む): 169299072

約数和(自身を除く): 87873662

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 374, 935, 1870, 43543, 87086, 217715, 435430, 478973, 740231, 957946, 1480462, 2394865, 3701155, 4789730, 7402310, 8142541, 16285082, 40712705, 81425410]

約数ペア:

[(1, 81425410), (2, 40712705), (5, 16285082), (10, 8142541), (11, 7402310), (17, 4789730), (22, 3701155), (34, 2394865), (55, 1480462), (85, 957946), (110, 740231), (170, 478973), (187, 435430), (374, 217715), (935, 87086), (1870, 43543)]