217516

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1$

素因数の和:153

約数の個数: 24

約数和(自身を含む): 423360

約数和(自身を除く): 205844

約数列:

[1, 2, 4, 13, 26, 47, 52, 89, 94, 178, 188, 356, 611, 1157, 1222, 2314, 2444, 4183, 4628, 8366, 16732, 54379, 108758, 217516]

約数ペア:

[(1, 217516), (2, 108758), (4, 54379), (13, 16732), (26, 8366), (47, 4628), (52, 4183), (89, 2444), (94, 2314), (178, 1222), (188, 1157), (356, 611)]