256128464

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{552001}}^1$

素因数の和:552038

約数の個数: 20

約数和(自身を含む): 513361860

約数和(自身を除く): 257233396

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 552001, 1104002, 2208004, 4416008, 8832016, 16008029, 32016058, 64032116, 128064232, 256128464]

約数ペア:

[(1, 256128464), (2, 128064232), (4, 64032116), (8, 32016058), (16, 16008029), (29, 8832016), (58, 4416008), (116, 2208004), (232, 1104002), (464, 552001)]