12840712

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{359}}^1$

素因数の和:645

約数の個数: 32

約数和(自身を含む): 25660800

約数和(自身を除く): 12820088

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 263, 359, 526, 718, 1052, 1436, 2104, 2872, 4471, 6103, 8942, 12206, 17884, 24412, 35768, 48824, 94417, 188834, 377668, 755336, 1605089, 3210178, 6420356, 12840712]

約数ペア:

[(1, 12840712), (2, 6420356), (4, 3210178), (8, 1605089), (17, 755336), (34, 377668), (68, 188834), (136, 94417), (263, 48824), (359, 35768), (526, 24412), (718, 17884), (1052, 12206), (1436, 8942), (2104, 6103), (2872, 4471)]