78395432

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{2081}}^1$

素因数の和:2381

約数の個数: 32

約数和(自身を含む): 156274920

約数和(自身を除く): 77879488

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 277, 554, 1108, 2081, 2216, 4162, 4709, 8324, 9418, 16648, 18836, 35377, 37672, 70754, 141508, 283016, 576437, 1152874, 2305748, 4611496, 9799429, 19598858, 39197716, 78395432]

約数ペア:

[(1, 78395432), (2, 39197716), (4, 19598858), (8, 9799429), (17, 4611496), (34, 2305748), (68, 1152874), (136, 576437), (277, 283016), (554, 141508), (1108, 70754), (2081, 37672), (2216, 35377), (4162, 18836), (4709, 16648), (8324, 9418)]