13428155

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{131}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 18627840

約数和(自身を除く): 5199685

約数列:

[1, 5, 13, 19, 65, 83, 95, 131, 247, 415, 655, 1079, 1235, 1577, 1703, 2489, 5395, 7885, 8515, 10873, 12445, 20501, 32357, 54365, 102505, 141349, 161785, 206587, 706745, 1032935, 2685631, 13428155]

約数ペア:

[(1, 13428155), (5, 2685631), (13, 1032935), (19, 706745), (65, 206587), (83, 161785), (95, 141349), (131, 102505), (247, 54365), (415, 32357), (655, 20501), (1079, 12445), (1235, 10873), (1577, 8515), (1703, 7885), (2489, 5395)]