31820555

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:287

約数の個数: 32

約数和(自身を含む): 42977088

約数和(自身を除く): 11156533

約数列:

[1, 5, 13, 37, 65, 101, 131, 185, 481, 505, 655, 1313, 1703, 2405, 3737, 4847, 6565, 8515, 13231, 18685, 24235, 48581, 63011, 66155, 172003, 242905, 315055, 489547, 860015, 2447735, 6364111, 31820555]

約数ペア:

[(1, 31820555), (5, 6364111), (13, 2447735), (37, 860015), (65, 489547), (101, 315055), (131, 242905), (185, 172003), (481, 66155), (505, 63011), (655, 48581), (1313, 24235), (1703, 18685), (2405, 13231), (3737, 8515), (4847, 6565)]