1991796136

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{26597}}^1$

素因数の和:26674

約数の個数: 64

約数和(自身を含む): 4366327680

約数和(自身を除く): 2374531544

約数列:

[1, 2, 4, 8, 11, 22, 23, 37, 44, 46, 74, 88, 92, 148, 184, 253, 296, 407, 506, 814, 851, 1012, 1628, 1702, 2024, 3256, 3404, 6808, 9361, 18722, 26597, 37444, 53194, 74888, 106388, 212776, 292567, 585134, 611731, 984089, 1170268, 1223462, 1968178, 2340536, 2446924, 3936356, 4893848, 6729041, 7872712, 10824979, 13458082, 21649958, 22634047, 26916164, 43299916, 45268094, 53832328, 86599832, 90536188, 181072376, 248974517, 497949034, 995898068, 1991796136]

約数ペア:

[(1, 1991796136), (2, 995898068), (4, 497949034), (8, 248974517), (11, 181072376), (22, 90536188), (23, 86599832), (37, 53832328), (44, 45268094), (46, 43299916), (74, 26916164), (88, 22634047), (92, 21649958), (148, 13458082), (184, 10824979), (253, 7872712), (296, 6729041), (407, 4893848), (506, 3936356), (814, 2446924), (851, 2340536), (1012, 1968178), (1628, 1223462), (1702, 1170268), (2024, 984089), (3256, 611731), (3404, 585134), (6808, 292567), (9361, 212776), (18722, 106388), (26597, 74888), (37444, 53194)]