129205856

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{310591}}^1$

素因数の和:310614

約数の個数: 24

約数和(自身を含む): 273942144

約数和(自身を除く): 144736288

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 310591, 621182, 1242364, 2484728, 4037683, 4969456, 8075366, 9938912, 16150732, 32301464, 64602928, 129205856]

約数ペア:

[(1, 129205856), (2, 64602928), (4, 32301464), (8, 16150732), (13, 9938912), (16, 8075366), (26, 4969456), (32, 4037683), (52, 2484728), (104, 1242364), (208, 621182), (416, 310591)]