221497766

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{3347}}^1$

素因数の和:3548

約数の個数: 32

約数和(自身を含む): 395331840

約数和(自身を除く): 173834074

約数列:

[1, 2, 7, 14, 29, 58, 163, 203, 326, 406, 1141, 2282, 3347, 4727, 6694, 9454, 23429, 33089, 46858, 66178, 97063, 194126, 545561, 679441, 1091122, 1358882, 3818927, 7637854, 15821269, 31642538, 110748883, 221497766]

約数ペア:

[(1, 221497766), (2, 110748883), (7, 31642538), (14, 15821269), (29, 7637854), (58, 3818927), (163, 1358882), (203, 1091122), (326, 679441), (406, 545561), (1141, 194126), (2282, 97063), (3347, 66178), (4727, 46858), (6694, 33089), (9454, 23429)]