647707972

素因数分解:

$2^2\times {\mathrm{4129}}^1\times {\mathrm{39217}}^1$

素因数の和:43350

約数の個数: 12

約数和(自身を含む): 1133792380

約数和(自身を除く): 486084408

約数列:

[1, 2, 4, 4129, 8258, 16516, 39217, 78434, 156868, 161926993, 323853986, 647707972]

約数ペア:

[(1, 647707972), (2, 323853986), (4, 161926993), (4129, 156868), (8258, 78434), (16516, 39217)]