221810

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{541}}^1$

素因数の和:589

約数の個数: 16

約数和(自身を含む): 409752

約数和(自身を除く): 187942

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 541, 1082, 2705, 5410, 22181, 44362, 110905, 221810]

約数ペア:

[(1, 221810), (2, 110905), (5, 44362), (10, 22181), (41, 5410), (82, 2705), (205, 1082), (410, 541)]