172531385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{809}}^1$

素因数の和:1037

約数の個数: 32

約数和(自身を含む): 237595680

約数和(自身を除く): 65064295

約数列:

[1, 5, 13, 17, 65, 85, 193, 221, 809, 965, 1105, 2509, 3281, 4045, 10517, 12545, 13753, 16405, 42653, 52585, 68765, 156137, 178789, 213265, 780685, 893945, 2029781, 2654329, 10148905, 13271645, 34506277, 172531385]

約数ペア:

[(1, 172531385), (5, 34506277), (13, 13271645), (17, 10148905), (65, 2654329), (85, 2029781), (193, 893945), (221, 780685), (809, 213265), (965, 178789), (1105, 156137), (2509, 68765), (3281, 52585), (4045, 42653), (10517, 16405), (12545, 13753)]