287455792

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1381999}}^1$

素因数の和:1382020

約数の個数: 20

約数和(自身を含む): 599788000

約数和(自身を除く): 312332208

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1381999, 2763998, 5527996, 11055992, 17965987, 22111984, 35931974, 71863948, 143727896, 287455792]

約数ペア:

[(1, 287455792), (2, 143727896), (4, 71863948), (8, 35931974), (13, 22111984), (16, 17965987), (26, 11055992), (52, 5527996), (104, 2763998), (208, 1381999)]