217638535

素因数分解:

$5^1\times {\mathrm{23}}^2\times {\mathrm{107}}^1\times {\mathrm{769}}^1$

素因数の和:927

約数の個数: 24

約数和(自身を含む): 275924880

約数和(自身を除く): 58286345

約数列:

[1, 5, 23, 107, 115, 529, 535, 769, 2461, 2645, 3845, 12305, 17687, 56603, 82283, 88435, 283015, 406801, 411415, 1892509, 2034005, 9462545, 43527707, 217638535]

約数ペア:

[(1, 217638535), (5, 43527707), (23, 9462545), (107, 2034005), (115, 1892509), (529, 411415), (535, 406801), (769, 283015), (2461, 88435), (2645, 82283), (3845, 56603), (12305, 17687)]