72471425

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{1009}}^1$

素因数の和:1062

約数の個数: 36

約数和(自身を含む): 103135140

約数和(自身を除く): 30663715

約数列:

[1, 5, 13, 17, 25, 65, 85, 169, 221, 325, 425, 845, 1009, 1105, 2873, 4225, 5045, 5525, 13117, 14365, 17153, 25225, 65585, 71825, 85765, 170521, 222989, 327925, 428825, 852605, 1114945, 2898857, 4263025, 5574725, 14494285, 72471425]

約数ペア:

[(1, 72471425), (5, 14494285), (13, 5574725), (17, 4263025), (25, 2898857), (65, 1114945), (85, 852605), (169, 428825), (221, 327925), (325, 222989), (425, 170521), (845, 85765), (1009, 71825), (1105, 65585), (2873, 25225), (4225, 17153), (5045, 14365), (5525, 13117)]