289350256

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{13001}}^1$

素因数の和:13129

約数の個数: 40

約数和(自身を含む): 609429744

約数和(自身を除く): 320079488

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 107, 208, 214, 428, 856, 1391, 1712, 2782, 5564, 11128, 13001, 22256, 26002, 52004, 104008, 169013, 208016, 338026, 676052, 1352104, 1391107, 2704208, 2782214, 5564428, 11128856, 18084391, 22257712, 36168782, 72337564, 144675128, 289350256]

約数ペア:

[(1, 289350256), (2, 144675128), (4, 72337564), (8, 36168782), (13, 22257712), (16, 18084391), (26, 11128856), (52, 5564428), (104, 2782214), (107, 2704208), (208, 1391107), (214, 1352104), (428, 676052), (856, 338026), (1391, 208016), (1712, 169013), (2782, 104008), (5564, 52004), (11128, 26002), (13001, 22256)]