25681424

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{263}}^1\times {\mathrm{359}}^1$

素因数の和:647

約数の個数: 40

約数和(自身を含む): 53032320

約数和(自身を除く): 27350896

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 263, 272, 359, 526, 718, 1052, 1436, 2104, 2872, 4208, 4471, 5744, 6103, 8942, 12206, 17884, 24412, 35768, 48824, 71536, 94417, 97648, 188834, 377668, 755336, 1510672, 1605089, 3210178, 6420356, 12840712, 25681424]

約数ペア:

[(1, 25681424), (2, 12840712), (4, 6420356), (8, 3210178), (16, 1605089), (17, 1510672), (34, 755336), (68, 377668), (136, 188834), (263, 97648), (272, 94417), (359, 71536), (526, 48824), (718, 35768), (1052, 24412), (1436, 17884), (2104, 12206), (2872, 8942), (4208, 6103), (4471, 5744)]