396701404

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{19991}}^1$

素因数の和:20058

約数の個数: 36

約数和(自身を含む): 781727184

約数和(自身を除く): 385025780

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 121, 164, 242, 451, 484, 902, 1804, 4961, 9922, 19844, 19991, 39982, 79964, 219901, 439802, 819631, 879604, 1639262, 2418911, 3278524, 4837822, 9015941, 9675644, 18031882, 36063764, 99175351, 198350702, 396701404]

約数ペア:

[(1, 396701404), (2, 198350702), (4, 99175351), (11, 36063764), (22, 18031882), (41, 9675644), (44, 9015941), (82, 4837822), (121, 3278524), (164, 2418911), (242, 1639262), (451, 879604), (484, 819631), (902, 439802), (1804, 219901), (4961, 79964), (9922, 39982), (19844, 19991)]