218366545

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{181}}^1\times {\mathrm{2389}}^1$

素因数の和:2676

約数の個数: 16

約数和(自身を含む): 266207760

約数和(自身を除く): 47841215

約数列:

[1, 5, 101, 181, 505, 905, 2389, 11945, 18281, 91405, 241289, 432409, 1206445, 2162045, 43673309, 218366545]

約数ペア:

[(1, 218366545), (5, 43673309), (101, 2162045), (181, 1206445), (505, 432409), (905, 241289), (2389, 91405), (11945, 18281)]