71861990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{613}}^1\times {\mathrm{617}}^1$

素因数の和:1256

約数の個数: 32

約数和(自身を含む): 136602720

約数和(自身を除く): 64740730

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 613, 617, 1226, 1234, 3065, 3085, 6130, 6170, 11647, 11723, 23294, 23446, 58235, 58615, 116470, 117230, 378221, 756442, 1891105, 3782210, 7186199, 14372398, 35930995, 71861990]

約数ペア:

[(1, 71861990), (2, 35930995), (5, 14372398), (10, 7186199), (19, 3782210), (38, 1891105), (95, 756442), (190, 378221), (613, 117230), (617, 116470), (1226, 58615), (1234, 58235), (3065, 23446), (3085, 23294), (6130, 11723), (6170, 11647)]