291859516

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{21341}}^1$

素因数の和:21621

約数の個数: 24

約数和(自身を含む): 552160224

約数和(自身を除く): 260300708

約数列:

[1, 2, 4, 13, 26, 52, 263, 526, 1052, 3419, 6838, 13676, 21341, 42682, 85364, 277433, 554866, 1109732, 5612683, 11225366, 22450732, 72964879, 145929758, 291859516]

約数ペア:

[(1, 291859516), (2, 145929758), (4, 72964879), (13, 22450732), (26, 11225366), (52, 5612683), (263, 1109732), (526, 554866), (1052, 277433), (3419, 85364), (6838, 42682), (13676, 21341)]