61638928

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{4423}}^1$

素因数の和:4511

約数の個数: 40

約数和(自身を含む): 130561088

約数和(自身を除く): 68922160

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 208, 268, 536, 871, 1072, 1742, 3484, 4423, 6968, 8846, 13936, 17692, 35384, 57499, 70768, 114998, 229996, 296341, 459992, 592682, 919984, 1185364, 2370728, 3852433, 4741456, 7704866, 15409732, 30819464, 61638928]

約数ペア:

[(1, 61638928), (2, 30819464), (4, 15409732), (8, 7704866), (13, 4741456), (16, 3852433), (26, 2370728), (52, 1185364), (67, 919984), (104, 592682), (134, 459992), (208, 296341), (268, 229996), (536, 114998), (871, 70768), (1072, 57499), (1742, 35384), (3484, 17692), (4423, 13936), (6968, 8846)]