266490721

素因数分解:

$7^1\times {\mathrm{109}}^1\times {\mathrm{233}}^1\times {\mathrm{1499}}^1$

素因数の和:1848

約数の個数: 16

約数和(自身を含む): 308880000

約数和(自身を除く): 42389279

約数列:

[1, 7, 109, 233, 763, 1499, 1631, 10493, 25397, 163391, 177779, 349267, 1143737, 2444869, 38070103, 266490721]

約数ペア:

[(1, 266490721), (7, 38070103), (109, 2444869), (233, 1143737), (763, 349267), (1499, 177779), (1631, 163391), (10493, 25397)]