8540545

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{131}}^1$

素因数の和:225

約数の個数: 32

約数和(自身を含む): 11975040

約数和(自身を除く): 3434495

約数列:

[1, 5, 13, 17, 59, 65, 85, 131, 221, 295, 655, 767, 1003, 1105, 1703, 2227, 3835, 5015, 7729, 8515, 11135, 13039, 28951, 38645, 65195, 100477, 131393, 144755, 502385, 656965, 1708109, 8540545]

約数ペア:

[(1, 8540545), (5, 1708109), (13, 656965), (17, 502385), (59, 144755), (65, 131393), (85, 100477), (131, 65195), (221, 38645), (295, 28951), (655, 13039), (767, 11135), (1003, 8515), (1105, 7729), (1703, 5015), (2227, 3835)]