2521509263

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{748889}}^1$

素因数の和:748946

約数の個数: 16

約数和(自身を含む): 3187275840

約数和(自身を除く): 665766577

約数列:

[1, 7, 13, 37, 91, 259, 481, 3367, 748889, 5242223, 9735557, 27708893, 68148899, 193962251, 360215609, 2521509263]

約数ペア:

[(1, 2521509263), (7, 360215609), (13, 193962251), (37, 68148899), (91, 27708893), (259, 9735557), (481, 5242223), (3367, 748889)]