520164385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{7717}}^1$

素因数の和:7813

約数の個数: 32

約数和(自身を含む): 723516192

約数和(自身を除く): 203351807

約数列:

[1, 5, 13, 17, 61, 65, 85, 221, 305, 793, 1037, 1105, 3965, 5185, 7717, 13481, 38585, 67405, 100321, 131189, 470737, 501605, 655945, 1705457, 2353685, 6119581, 8002529, 8527285, 30597905, 40012645, 104032877, 520164385]

約数ペア:

[(1, 520164385), (5, 104032877), (13, 40012645), (17, 30597905), (61, 8527285), (65, 8002529), (85, 6119581), (221, 2353685), (305, 1705457), (793, 655945), (1037, 501605), (1105, 470737), (3965, 131189), (5185, 100321), (7717, 67405), (13481, 38585)]