85670221

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{49549}}^1$

素因数の和:49588

約数の個数: 16

約数和(自身を含む): 110992000

約数和(自身を除く): 25321779

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 49549, 346843, 644137, 941431, 4508959, 6590017, 12238603, 85670221]

約数ペア:

[(1, 85670221), (7, 12238603), (13, 6590017), (19, 4508959), (91, 941431), (133, 644137), (247, 346843), (1729, 49549)]