291228416

素因数分解:

$2^8\times {\mathrm{1137611}}^1$

素因数の和:1137627

約数の個数: 18

約数和(自身を含む): 581319732

約数和(自身を除く): 290091316

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 1137611, 2275222, 4550444, 9100888, 18201776, 36403552, 72807104, 145614208, 291228416]

約数ペア:

[(1, 291228416), (2, 145614208), (4, 72807104), (8, 36403552), (16, 18201776), (32, 9100888), (64, 4550444), (128, 2275222), (256, 1137611)]