278889806

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{809}}^1\times {\mathrm{13259}}^1$

素因数の和:14083

約数の個数: 16

約数和(自身を含む): 451105200

約数和(自身を除く): 172215394

約数列:

[1, 2, 13, 26, 809, 1618, 10517, 13259, 21034, 26518, 172367, 344734, 10726531, 21453062, 139444903, 278889806]

約数ペア:

[(1, 278889806), (2, 139444903), (13, 21453062), (26, 10726531), (809, 344734), (1618, 172367), (10517, 26518), (13259, 21034)]