391489716

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{32987}}^1$

素因数の和:33060

約数の個数: 48

約数和(自身を含む): 975389184

約数和(自身を除く): 583899468

約数列:

[1, 2, 3, 4, 6, 12, 23, 43, 46, 69, 86, 92, 129, 138, 172, 258, 276, 516, 989, 1978, 2967, 3956, 5934, 11868, 32987, 65974, 98961, 131948, 197922, 395844, 758701, 1418441, 1517402, 2276103, 2836882, 3034804, 4255323, 4552206, 5673764, 8510646, 9104412, 17021292, 32624143, 65248286, 97872429, 130496572, 195744858, 391489716]

約数ペア:

[(1, 391489716), (2, 195744858), (3, 130496572), (4, 97872429), (6, 65248286), (12, 32624143), (23, 17021292), (43, 9104412), (46, 8510646), (69, 5673764), (86, 4552206), (92, 4255323), (129, 3034804), (138, 2836882), (172, 2276103), (258, 1517402), (276, 1418441), (516, 758701), (989, 395844), (1978, 197922), (2967, 131948), (3956, 98961), (5934, 65974), (11868, 32987)]