142802465

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{9941}}^1$

素因数の和:9989

約数の個数: 24

約数和(自身を含む): 196493688

約数和(自身を除く): 53691223

約数列:

[1, 5, 13, 17, 65, 85, 169, 221, 845, 1105, 2873, 9941, 14365, 49705, 129233, 168997, 646165, 844985, 1680029, 2196961, 8400145, 10984805, 28560493, 142802465]

約数ペア:

[(1, 142802465), (5, 28560493), (13, 10984805), (17, 8400145), (65, 2196961), (85, 1680029), (169, 844985), (221, 646165), (845, 168997), (1105, 129233), (2873, 49705), (9941, 14365)]