408069389

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{32261}}^1$

素因数の和:32420

約数の個数: 16

約数和(自身を含む): 505868160

約数和(自身を除く): 97798771

約数列:

[1, 7, 13, 91, 139, 973, 1807, 12649, 32261, 225827, 419393, 2935751, 4484279, 31389953, 58295627, 408069389]

約数ペア:

[(1, 408069389), (7, 58295627), (13, 31389953), (91, 4484279), (139, 2935751), (973, 419393), (1807, 225827), (12649, 32261)]