87331784

素因数分解:

$2^3\times {\mathrm{89}}^1\times {\mathrm{173}}^1\times {\mathrm{709}}^1$

素因数の和:977

約数の個数: 32

約数和(自身を含む): 166779000

約数和(自身を除く): 79447216

約数列:

[1, 2, 4, 8, 89, 173, 178, 346, 356, 692, 709, 712, 1384, 1418, 2836, 5672, 15397, 30794, 61588, 63101, 122657, 123176, 126202, 245314, 252404, 490628, 504808, 981256, 10916473, 21832946, 43665892, 87331784]

約数ペア:

[(1, 87331784), (2, 43665892), (4, 21832946), (8, 10916473), (89, 981256), (173, 504808), (178, 490628), (346, 252404), (356, 245314), (692, 126202), (709, 123176), (712, 122657), (1384, 63101), (1418, 61588), (2836, 30794), (5672, 15397)]