129409567

素因数分解:

$7^1\times {\mathrm{151}}^1\times {\mathrm{191}}^1\times {\mathrm{641}}^1$

素因数の和:990

約数の個数: 16

約数和(自身を含む): 149889024

約数和(自身を除く): 20479457

約数列:

[1, 7, 151, 191, 641, 1057, 1337, 4487, 28841, 96791, 122431, 201887, 677537, 857017, 18487081, 129409567]

約数ペア:

[(1, 129409567), (7, 18487081), (151, 857017), (191, 677537), (641, 201887), (1057, 122431), (1337, 96791), (4487, 28841)]