71085890

素因数分解:

$2^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{10987}}^1$

素因数の和:11641

約数の個数: 16

約数和(自身を含む): 128164032

約数和(自身を除く): 57078142

約数列:

[1, 2, 5, 10, 647, 1294, 3235, 6470, 10987, 21974, 54935, 109870, 7108589, 14217178, 35542945, 71085890]

約数ペア:

[(1, 71085890), (2, 35542945), (5, 14217178), (10, 7108589), (647, 109870), (1294, 54935), (3235, 21974), (6470, 10987)]