133223792

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{640499}}^1$

素因数の和:640520

約数の個数: 20

約数和(自身を含む): 277977000

約数和(自身を除く): 144753208

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 640499, 1280998, 2561996, 5123992, 8326487, 10247984, 16652974, 33305948, 66611896, 133223792]

約数ペア:

[(1, 133223792), (2, 66611896), (4, 33305948), (8, 16652974), (13, 10247984), (16, 8326487), (26, 5123992), (52, 2561996), (104, 1280998), (208, 640499)]