2520115

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{283}}^1$

素因数の和:438

約数の個数: 16

約数和(自身を含む): 3292128

約数和(自身を除く): 772013

約数列:

[1, 5, 13, 65, 137, 283, 685, 1415, 1781, 3679, 8905, 18395, 38771, 193855, 504023, 2520115]

約数ペア:

[(1, 2520115), (5, 504023), (13, 193855), (65, 38771), (137, 18395), (283, 8905), (685, 3679), (1415, 1781)]