649788812

素因数分解:

$2^2\times {\mathrm{2503}}^1\times {\mathrm{64901}}^1$

素因数の和:67408

約数の個数: 12

約数和(自身を含む): 1137602256

約数和(自身を除く): 487813444

約数列:

[1, 2, 4, 2503, 5006, 10012, 64901, 129802, 259604, 162447203, 324894406, 649788812]

約数ペア:

[(1, 649788812), (2, 324894406), (4, 162447203), (2503, 259604), (5006, 129802), (10012, 64901)]