221405822

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{12919}}^1$

素因数の和:12992

約数の個数: 32

約数和(自身を含む): 390700800

約数和(自身を除く): 169294978

約数列:

[1, 2, 11, 19, 22, 38, 41, 82, 209, 418, 451, 779, 902, 1558, 8569, 12919, 17138, 25838, 142109, 245461, 284218, 490922, 529679, 1059358, 2700071, 5400142, 5826469, 10063901, 11652938, 20127802, 110702911, 221405822]

約数ペア:

[(1, 221405822), (2, 110702911), (11, 20127802), (19, 11652938), (22, 10063901), (38, 5826469), (41, 5400142), (82, 2700071), (209, 1059358), (418, 529679), (451, 490922), (779, 284218), (902, 245461), (1558, 142109), (8569, 25838), (12919, 17138)]