289413656

素因数分解:

$2^3\times 7^1\times {\mathrm{79}}^1\times {\mathrm{65419}}^1$

素因数の和:65511

約数の個数: 32

約数和(自身を含む): 628032000

約数和(自身を除く): 338618344

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 79, 158, 316, 553, 632, 1106, 2212, 4424, 65419, 130838, 261676, 457933, 523352, 915866, 1831732, 3663464, 5168101, 10336202, 20672404, 36176707, 41344808, 72353414, 144706828, 289413656]

約数ペア:

[(1, 289413656), (2, 144706828), (4, 72353414), (7, 41344808), (8, 36176707), (14, 20672404), (28, 10336202), (56, 5168101), (79, 3663464), (158, 1831732), (316, 915866), (553, 523352), (632, 457933), (1106, 261676), (2212, 130838), (4424, 65419)]