290417408

素因数分解:

$2^8\times {\mathrm{1134443}}^1$

素因数の和:1134459

約数の個数: 18

約数和(自身を含む): 579700884

約数和(自身を除く): 289283476

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 1134443, 2268886, 4537772, 9075544, 18151088, 36302176, 72604352, 145208704, 290417408]

約数ペア:

[(1, 290417408), (2, 145208704), (4, 72604352), (8, 36302176), (16, 18151088), (32, 9075544), (64, 4537772), (128, 2268886), (256, 1134443)]