129308416

素因数分解:

$2^8\times {\mathrm{505111}}^1$

素因数の和:505127

約数の個数: 18

約数和(自身を含む): 258112232

約数和(自身を除く): 128803816

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 505111, 1010222, 2020444, 4040888, 8081776, 16163552, 32327104, 64654208, 129308416]

約数ペア:

[(1, 129308416), (2, 64654208), (4, 32327104), (8, 16163552), (16, 8081776), (32, 4040888), (64, 2020444), (128, 1010222), (256, 505111)]