205506145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{1307}}^1$

素因数の和:1425

約数の個数: 32

約数和(自身を含む): 276877440

約数和(自身を除く): 71371295

約数列:

[1, 5, 13, 41, 59, 65, 205, 295, 533, 767, 1307, 2419, 2665, 3835, 6535, 12095, 16991, 31447, 53587, 77113, 84955, 157235, 267935, 385565, 696631, 1002469, 3161633, 3483155, 5012345, 15808165, 41101229, 205506145]

約数ペア:

[(1, 205506145), (5, 41101229), (13, 15808165), (41, 5012345), (59, 3483155), (65, 3161633), (205, 1002469), (295, 696631), (533, 385565), (767, 267935), (1307, 157235), (2419, 84955), (2665, 77113), (3835, 53587), (6535, 31447), (12095, 16991)]