129211388

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{307}}^1\times {\mathrm{2447}}^1$

素因数の和:2801

約数の個数: 24

約数和(自身を含む): 232227072

約数和(自身を除く): 103015684

約数列:

[1, 2, 4, 43, 86, 172, 307, 614, 1228, 2447, 4894, 9788, 13201, 26402, 52804, 105221, 210442, 420884, 751229, 1502458, 3004916, 32302847, 64605694, 129211388]

約数ペア:

[(1, 129211388), (2, 64605694), (4, 32302847), (43, 3004916), (86, 1502458), (172, 751229), (307, 420884), (614, 210442), (1228, 105221), (2447, 52804), (4894, 26402), (9788, 13201)]