51618307

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{647}}^1$

素因数の和:715

約数の個数: 24

約数和(自身を含む): 62215776

約数和(自身を除く): 10597469

約数列:

[1, 13, 17, 19, 221, 247, 323, 361, 647, 4199, 4693, 6137, 8411, 10999, 12293, 79781, 142987, 159809, 208981, 233567, 2716753, 3036371, 3970639, 51618307]

約数ペア:

[(1, 51618307), (13, 3970639), (17, 3036371), (19, 2716753), (221, 233567), (247, 208981), (323, 159809), (361, 142987), (647, 79781), (4199, 12293), (4693, 10999), (6137, 8411)]