201551645

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{181}}^1\times {\mathrm{421}}^1$

素因数の和:653

約数の個数: 24

約数和(自身を含む): 254835672

約数和(自身を除く): 53284027

約数列:

[1, 5, 23, 115, 181, 421, 529, 905, 2105, 2645, 4163, 9683, 20815, 48415, 76201, 95749, 222709, 381005, 478745, 1113545, 1752623, 8763115, 40310329, 201551645]

約数ペア:

[(1, 201551645), (5, 40310329), (23, 8763115), (115, 1752623), (181, 1113545), (421, 478745), (529, 381005), (905, 222709), (2105, 95749), (2645, 76201), (4163, 48415), (9683, 20815)]