204133025

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{241}}^1\times {\mathrm{1993}}^1$

素因数の和:2261

約数の個数: 24

約数和(自身を含む): 269261784

約数和(自身を除く): 65128759

約数列:

[1, 5, 17, 25, 85, 241, 425, 1205, 1993, 4097, 6025, 9965, 20485, 33881, 49825, 102425, 169405, 480313, 847025, 2401565, 8165321, 12007825, 40826605, 204133025]

約数ペア:

[(1, 204133025), (5, 40826605), (17, 12007825), (25, 8165321), (85, 2401565), (241, 847025), (425, 480313), (1205, 169405), (1993, 102425), (4097, 49825), (6025, 33881), (9965, 20485)]