78854321

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{653}}^1\times {\mathrm{1327}}^1$

素因数の和:2000

約数の個数: 16

約数和(自身を含む): 97273344

約数和(自身を除く): 18419023

約数列:

[1, 7, 13, 91, 653, 1327, 4571, 8489, 9289, 17251, 59423, 120757, 866531, 6065717, 11264903, 78854321]

約数ペア:

[(1, 78854321), (7, 11264903), (13, 6065717), (91, 866531), (653, 120757), (1327, 59423), (4571, 17251), (8489, 9289)]