2131715

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:862

約数の個数: 16

約数和(自身を含む): 2799360

約数和(自身を除く): 667645

約数列:

[1, 5, 17, 31, 85, 155, 527, 809, 2635, 4045, 13753, 25079, 68765, 125395, 426343, 2131715]

約数ペア:

[(1, 2131715), (5, 426343), (17, 125395), (31, 68765), (85, 25079), (155, 13753), (527, 4045), (809, 2635)]