257090904

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{510101}}^1$

素因数の和:510120

約数の個数: 48

約数和(自身を含む): 795759120

約数和(自身を除く): 538668216

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 510101, 1020202, 1530303, 2040404, 3060606, 3570707, 4080808, 4590909, 6121212, 7141414, 9181818, 10712121, 12242424, 14282828, 18363636, 21424242, 28565656, 32136363, 36727272, 42848484, 64272726, 85696968, 128545452, 257090904]

約数ペア:

[(1, 257090904), (2, 128545452), (3, 85696968), (4, 64272726), (6, 42848484), (7, 36727272), (8, 32136363), (9, 28565656), (12, 21424242), (14, 18363636), (18, 14282828), (21, 12242424), (24, 10712121), (28, 9181818), (36, 7141414), (42, 6121212), (56, 4590909), (63, 4080808), (72, 3570707), (84, 3060606), (126, 2040404), (168, 1530303), (252, 1020202), (504, 510101)]