28928432

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{139079}}^1$

素因数の和:139100

約数の個数: 20

約数和(自身を含む): 60360720

約数和(自身を除く): 31432288

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 139079, 278158, 556316, 1112632, 1808027, 2225264, 3616054, 7232108, 14464216, 28928432]

約数ペア:

[(1, 28928432), (2, 14464216), (4, 7232108), (8, 3616054), (13, 2225264), (16, 1808027), (26, 1112632), (52, 556316), (104, 278158), (208, 139079)]