2189005

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{283}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 3435264

約数和(自身を除く): 1246259

約数列:

[1, 5, 7, 13, 17, 35, 65, 85, 91, 119, 221, 283, 455, 595, 1105, 1415, 1547, 1981, 3679, 4811, 7735, 9905, 18395, 24055, 25753, 33677, 62543, 128765, 168385, 312715, 437801, 2189005]

約数ペア:

[(1, 2189005), (5, 437801), (7, 312715), (13, 168385), (17, 128765), (35, 62543), (65, 33677), (85, 25753), (91, 24055), (119, 18395), (221, 9905), (283, 7735), (455, 4811), (595, 3679), (1105, 1981), (1415, 1547)]