26280191

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1\times {\mathrm{151}}^1$

素因数の和:251

約数の個数: 24

約数和(自身を含む): 32277504

約数和(自身を除く): 5997313

約数列:

[1, 7, 23, 47, 151, 161, 329, 529, 1057, 1081, 3473, 3703, 7097, 7567, 24311, 24863, 49679, 79879, 163231, 174041, 559153, 1142617, 3754313, 26280191]

約数ペア:

[(1, 26280191), (7, 3754313), (23, 1142617), (47, 559153), (151, 174041), (161, 163231), (329, 79879), (529, 49679), (1057, 24863), (1081, 24311), (3473, 7567), (3703, 7097)]