157212445

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{499}}^1$

素因数の和:685

約数の個数: 32

約数和(自身を含む): 210672000

約数和(自身を除く): 53459555

約数列:

[1, 5, 13, 37, 65, 131, 185, 481, 499, 655, 1703, 2405, 2495, 4847, 6487, 8515, 18463, 24235, 32435, 63011, 65369, 92315, 240019, 315055, 326845, 849797, 1200095, 2418653, 4248985, 12093265, 31442489, 157212445]

約数ペア:

[(1, 157212445), (5, 31442489), (13, 12093265), (37, 4248985), (65, 2418653), (131, 1200095), (185, 849797), (481, 326845), (499, 315055), (655, 240019), (1703, 92315), (2405, 65369), (2495, 63011), (4847, 32435), (6487, 24235), (8515, 18463)]