12686648

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{613}}^1$

素因数の和:831

約数の個数: 32

約数和(自身を含む): 25788000

約数和(自身を除く): 13101352

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 199, 398, 613, 796, 1226, 1592, 2452, 2587, 4904, 5174, 7969, 10348, 15938, 20696, 31876, 63752, 121987, 243974, 487948, 975896, 1585831, 3171662, 6343324, 12686648]

約数ペア:

[(1, 12686648), (2, 6343324), (4, 3171662), (8, 1585831), (13, 975896), (26, 487948), (52, 243974), (104, 121987), (199, 63752), (398, 31876), (613, 20696), (796, 15938), (1226, 10348), (1592, 7969), (2452, 5174), (2587, 4904)]