49915216

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{239977}}^1$

素因数の和:239998

約数の個数: 20

約数和(自身を含む): 104150452

約数和(自身を除く): 54235236

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 239977, 479954, 959908, 1919816, 3119701, 3839632, 6239402, 12478804, 24957608, 49915216]

約数ペア:

[(1, 49915216), (2, 24957608), (4, 12478804), (8, 6239402), (13, 3839632), (16, 3119701), (26, 1919816), (52, 959908), (104, 479954), (208, 239977)]