2381885

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:185

約数の個数: 24

約数和(自身を含む): 3268608

約数和(自身を除く): 886723

約数列:

[1, 5, 11, 31, 55, 121, 127, 155, 341, 605, 635, 1397, 1705, 3751, 3937, 6985, 15367, 18755, 19685, 43307, 76835, 216535, 476377, 2381885]

約数ペア:

[(1, 2381885), (5, 476377), (11, 216535), (31, 76835), (55, 43307), (121, 19685), (127, 18755), (155, 15367), (341, 6985), (605, 3937), (635, 3751), (1397, 1705)]