28948816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{139177}}^1$

素因数の和:139198

約数の個数: 20

約数和(自身を含む): 60403252

約数和(自身を除く): 31454436

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 139177, 278354, 556708, 1113416, 1809301, 2226832, 3618602, 7237204, 14474408, 28948816]

約数ペア:

[(1, 28948816), (2, 14474408), (4, 7237204), (8, 3618602), (13, 2226832), (16, 1809301), (26, 1113416), (52, 556708), (104, 278354), (208, 139177)]