71997995

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{4001}}^1$

素因数の和:4126

約数の個数: 16

約数和(自身を含む): 89324640

約数和(自身を除く): 17326645

約数列:

[1, 5, 59, 61, 295, 305, 3599, 4001, 17995, 20005, 236059, 244061, 1180295, 1220305, 14399599, 71997995]

約数ペア:

[(1, 71997995), (5, 14399599), (59, 1220305), (61, 1180295), (295, 244061), (305, 236059), (3599, 20005), (4001, 17995)]