201809105

素因数分解:

$5^1\times {\mathrm{43}}^2\times {\mathrm{83}}^1\times {\mathrm{263}}^1$

素因数の和:437

約数の個数: 24

約数和(自身を含む): 251875008

約数和(自身を除く): 50065903

約数列:

[1, 5, 43, 83, 215, 263, 415, 1315, 1849, 3569, 9245, 11309, 17845, 21829, 56545, 109145, 153467, 486287, 767335, 938647, 2431435, 4693235, 40361821, 201809105]

約数ペア:

[(1, 201809105), (5, 40361821), (43, 4693235), (83, 2431435), (215, 938647), (263, 767335), (415, 486287), (1315, 153467), (1849, 109145), (3569, 56545), (9245, 21829), (11309, 17845)]