261640448

素因数分解:

$2^8\times {\mathrm{1022033}}^1$

素因数の和:1022049

約数の個数: 18

約数和(自身を含む): 522259374

約数和(自身を除く): 260618926

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 1022033, 2044066, 4088132, 8176264, 16352528, 32705056, 65410112, 130820224, 261640448]

約数ペア:

[(1, 261640448), (2, 130820224), (4, 65410112), (8, 32705056), (16, 16352528), (32, 8176264), (64, 4088132), (128, 2044066), (256, 1022033)]