208658908

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{4051}}^1$

素因数の和:4297

約数の個数: 24

約数和(自身を含む): 372135680

約数和(自身を除く): 163476772

約数列:

[1, 2, 4, 79, 158, 163, 316, 326, 652, 4051, 8102, 12877, 16204, 25754, 51508, 320029, 640058, 660313, 1280116, 1320626, 2641252, 52164727, 104329454, 208658908]

約数ペア:

[(1, 208658908), (2, 104329454), (4, 52164727), (79, 2641252), (158, 1320626), (163, 1280116), (316, 660313), (326, 640058), (652, 320029), (4051, 51508), (8102, 25754), (12877, 16204)]