289156816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1390177}}^1$

素因数の和:1390198

約数の個数: 20

約数和(自身を含む): 603337252

約数和(自身を除く): 314180436

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1390177, 2780354, 5560708, 11121416, 18072301, 22242832, 36144602, 72289204, 144578408, 289156816]

約数ペア:

[(1, 289156816), (2, 144578408), (4, 72289204), (8, 36144602), (13, 22242832), (16, 18072301), (26, 11121416), (52, 5560708), (104, 2780354), (208, 1390177)]