198720509

素因数分解:

${\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{457}}^1$

素因数の和:597

約数の個数: 24

約数和(自身を含む): 225292032

約数和(自身を除く): 26571523

約数列:

[1, 13, 31, 83, 169, 403, 457, 1079, 2573, 5239, 5941, 14027, 14167, 33449, 37931, 77233, 184171, 434837, 493103, 1175861, 2394223, 6410339, 15286193, 198720509]

約数ペア:

[(1, 198720509), (13, 15286193), (31, 6410339), (83, 2394223), (169, 1175861), (403, 493103), (457, 434837), (1079, 184171), (2573, 77233), (5239, 37931), (5941, 33449), (14027, 14167)]