2557656

素因数分解:

$2^3\times 3^4\times {\mathrm{3947}}^1$

素因数の和:3965

約数の個数: 40

約数和(自身を含む): 7165620

約数和(自身を除く): 4607964

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 3947, 7894, 11841, 15788, 23682, 31576, 35523, 47364, 71046, 94728, 106569, 142092, 213138, 284184, 319707, 426276, 639414, 852552, 1278828, 2557656]

約数ペア:

[(1, 2557656), (2, 1278828), (3, 852552), (4, 639414), (6, 426276), (8, 319707), (9, 284184), (12, 213138), (18, 142092), (24, 106569), (27, 94728), (36, 71046), (54, 47364), (72, 35523), (81, 31576), (108, 23682), (162, 15788), (216, 11841), (324, 7894), (648, 3947)]