72802925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{13177}}^1$

素因数の和:13217

約数の個数: 24

約数和(自身を含む): 102946536

約数和(自身を除く): 30143611

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 5525, 13177, 65885, 171301, 224009, 329425, 856505, 1120045, 2912117, 4282525, 5600225, 14560585, 72802925]

約数ペア:

[(1, 72802925), (5, 14560585), (13, 5600225), (17, 4282525), (25, 2912117), (65, 1120045), (85, 856505), (221, 329425), (325, 224009), (425, 171301), (1105, 65885), (5525, 13177)]