208421904

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{255419}}^1$

素因数の和:255447

約数の個数: 40

約数和(自身を含む): 570097440

約数和(自身を除く): 361675536

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 816, 255419, 510838, 766257, 1021676, 1532514, 2043352, 3065028, 4086704, 4342123, 6130056, 8684246, 12260112, 13026369, 17368492, 26052738, 34736984, 52105476, 69473968, 104210952, 208421904]

約数ペア:

[(1, 208421904), (2, 104210952), (3, 69473968), (4, 52105476), (6, 34736984), (8, 26052738), (12, 17368492), (16, 13026369), (17, 12260112), (24, 8684246), (34, 6130056), (48, 4342123), (51, 4086704), (68, 3065028), (102, 2043352), (136, 1532514), (204, 1021676), (272, 766257), (408, 510838), (816, 255419)]