397393964

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{9031681}}^1$

素因数の和:9031696

約数の個数: 12

約数和(自身を含む): 758661288

約数和(自身を除く): 361267324

約数列:

[1, 2, 4, 11, 22, 44, 9031681, 18063362, 36126724, 99348491, 198696982, 397393964]

約数ペア:

[(1, 397393964), (2, 198696982), (4, 99348491), (11, 36126724), (22, 18063362), (44, 9031681)]