78765421

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{587}}^1\times {\mathrm{661}}^1$

素因数の和:1284

約数の個数: 16

約数和(自身を含む): 93421440

約数和(自身を除く): 14656019

約数列:

[1, 7, 29, 203, 587, 661, 4109, 4627, 17023, 19169, 119161, 134183, 388007, 2716049, 11252203, 78765421]

約数ペア:

[(1, 78765421), (7, 11252203), (29, 2716049), (203, 388007), (587, 134183), (661, 119161), (4109, 19169), (4627, 17023)]