78388895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{6971}}^1$

素因数の和:7162

約数の個数: 16

約数和(自身を含む): 101902752

約数和(自身を除く): 23513857

約数列:

[1, 5, 13, 65, 173, 865, 2249, 6971, 11245, 34855, 90623, 453115, 1205983, 6029915, 15677779, 78388895]

約数ペア:

[(1, 78388895), (5, 15677779), (13, 6029915), (65, 1205983), (173, 453115), (865, 90623), (2249, 34855), (6971, 11245)]