222710125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{161971}}^1$

素因数の和:161997

約数の個数: 16

約数和(自身を含む): 303211584

約数和(自身を除く): 80501459

約数列:

[1, 5, 11, 25, 55, 125, 275, 1375, 161971, 809855, 1781681, 4049275, 8908405, 20246375, 44542025, 222710125]

約数ペア:

[(1, 222710125), (5, 44542025), (11, 20246375), (25, 8908405), (55, 4049275), (125, 1781681), (275, 809855), (1375, 161971)]