221875415

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{233}}^1\times {\mathrm{659}}^1$

素因数の和:931

約数の個数: 24

約数和(自身を含む): 284478480

約数和(自身を除く): 62603065

約数列:

[1, 5, 17, 85, 233, 289, 659, 1165, 1445, 3295, 3961, 11203, 19805, 56015, 67337, 153547, 190451, 336685, 767735, 952255, 2610299, 13051495, 44375083, 221875415]

約数ペア:

[(1, 221875415), (5, 44375083), (17, 13051495), (85, 2610299), (233, 952255), (289, 767735), (659, 336685), (1165, 190451), (1445, 153547), (3295, 67337), (3961, 56015), (11203, 19805)]