398429548

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{1381}}^1$

素因数の和:1558

約数の個数: 48

約数和(自身を含む): 780111360

約数和(自身を除く): 381681812

約数列:

[1, 2, 4, 11, 22, 44, 79, 83, 158, 166, 316, 332, 869, 913, 1381, 1738, 1826, 2762, 3476, 3652, 5524, 6557, 13114, 15191, 26228, 30382, 60764, 72127, 109099, 114623, 144254, 218198, 229246, 288508, 436396, 458492, 1200089, 1260853, 2400178, 2521706, 4800356, 5043412, 9055217, 18110434, 36220868, 99607387, 199214774, 398429548]

約数ペア:

[(1, 398429548), (2, 199214774), (4, 99607387), (11, 36220868), (22, 18110434), (44, 9055217), (79, 5043412), (83, 4800356), (158, 2521706), (166, 2400178), (316, 1260853), (332, 1200089), (869, 458492), (913, 436396), (1381, 288508), (1738, 229246), (1826, 218198), (2762, 144254), (3476, 114623), (3652, 109099), (5524, 72127), (6557, 60764), (13114, 30382), (15191, 26228)]