209841385

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{2411}}^1$

素因数の和:2545

約数の個数: 24

約数和(自身を含む): 275431104

約数和(自身を除く): 65589719

約数列:

[1, 5, 13, 65, 103, 169, 515, 845, 1339, 2411, 6695, 12055, 17407, 31343, 87035, 156715, 248333, 407459, 1241665, 2037295, 3228329, 16141645, 41968277, 209841385]

約数ペア:

[(1, 209841385), (5, 41968277), (13, 16141645), (65, 3228329), (103, 2037295), (169, 1241665), (515, 407459), (845, 248333), (1339, 156715), (2411, 87035), (6695, 31343), (12055, 17407)]