218098865

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^2\times {\mathrm{509}}^1$

素因数の和:673

約数の個数: 24

約数和(自身を含む): 281624040

約数和(自身を除く): 63525175

約数列:

[1, 5, 17, 71, 85, 355, 509, 1207, 2545, 5041, 6035, 8653, 25205, 36139, 43265, 85697, 180695, 428485, 614363, 2565869, 3071815, 12829345, 43619773, 218098865]

約数ペア:

[(1, 218098865), (5, 43619773), (17, 12829345), (71, 3071815), (85, 2565869), (355, 614363), (509, 428485), (1207, 180695), (2545, 85697), (5041, 43265), (6035, 36139), (8653, 25205)]