291228928

素因数分解:

$2^8\times {\mathrm{1137613}}^1$

素因数の和:1137629

約数の個数: 18

約数和(自身を含む): 581320754

約数和(自身を除く): 290091826

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 1137613, 2275226, 4550452, 9100904, 18201808, 36403616, 72807232, 145614464, 291228928]

約数ペア:

[(1, 291228928), (2, 145614464), (4, 72807232), (8, 36403616), (16, 18201808), (32, 9100904), (64, 4550452), (128, 2275226), (256, 1137613)]