81461328

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{130547}}^1$

素因数の和:130571

約数の個数: 40

約数和(自身を含む): 226631328

約数和(自身を除く): 145170000

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 130547, 261094, 391641, 522188, 783282, 1044376, 1566564, 1697111, 2088752, 3133128, 3394222, 5091333, 6266256, 6788444, 10182666, 13576888, 20365332, 27153776, 40730664, 81461328]

約数ペア:

[(1, 81461328), (2, 40730664), (3, 27153776), (4, 20365332), (6, 13576888), (8, 10182666), (12, 6788444), (13, 6266256), (16, 5091333), (24, 3394222), (26, 3133128), (39, 2088752), (48, 1697111), (52, 1566564), (78, 1044376), (104, 783282), (156, 522188), (208, 391641), (312, 261094), (624, 130547)]