401389186

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{73}}^1\times {\mathrm{22721}}^1$

素因数の和:22818

約数の個数: 24

約数和(自身を含む): 670889772

約数和(自身を除く): 269500586

約数列:

[1, 2, 11, 22, 73, 121, 146, 242, 803, 1606, 8833, 17666, 22721, 45442, 249931, 499862, 1658633, 2749241, 3317266, 5498482, 18244963, 36489926, 200694593, 401389186]

約数ペア:

[(1, 401389186), (2, 200694593), (11, 36489926), (22, 18244963), (73, 5498482), (121, 3317266), (146, 2749241), (242, 1658633), (803, 499862), (1606, 249931), (8833, 45442), (17666, 22721)]