89139790

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{563}}^1$

素因数の和:864

約数の個数: 32

約数和(自身を含む): 163731456

約数和(自身を除く): 74591666

約数列:

[1, 2, 5, 10, 71, 142, 223, 355, 446, 563, 710, 1115, 1126, 2230, 2815, 5630, 15833, 31666, 39973, 79165, 79946, 125549, 158330, 199865, 251098, 399730, 627745, 1255490, 8913979, 17827958, 44569895, 89139790]

約数ペア:

[(1, 89139790), (2, 44569895), (5, 17827958), (10, 8913979), (71, 1255490), (142, 627745), (223, 399730), (355, 251098), (446, 199865), (563, 158330), (710, 125549), (1115, 79946), (1126, 79165), (2230, 39973), (2815, 31666), (5630, 15833)]