64687690

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{223061}}^1$

素因数の和:223097

約数の個数: 16

約数和(自身を含む): 120453480

約数和(自身を除く): 55765790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 223061, 446122, 1115305, 2230610, 6468769, 12937538, 32343845, 64687690]

約数ペア:

[(1, 64687690), (2, 32343845), (5, 12937538), (10, 6468769), (29, 2230610), (58, 1115305), (145, 446122), (290, 223061)]