72402205

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{1861}}^1$

素因数の和:2148

約数の個数: 16

約数和(自身を含む): 90091008

約数和(自身を除く): 17688803

約数列:

[1, 5, 31, 155, 251, 1255, 1861, 7781, 9305, 38905, 57691, 288455, 467111, 2335555, 14480441, 72402205]

約数ペア:

[(1, 72402205), (5, 14480441), (31, 2335555), (155, 467111), (251, 288455), (1255, 57691), (1861, 38905), (7781, 9305)]