313660475

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{2311}}^1$

素因数の和:2471

約数の個数: 24

約数和(自身を含む): 399929760

約数和(自身を除く): 86269285

約数列:

[1, 5, 25, 61, 89, 305, 445, 1525, 2225, 2311, 5429, 11555, 27145, 57775, 135725, 140971, 205679, 704855, 1028395, 3524275, 5141975, 12546419, 62732095, 313660475]

約数ペア:

[(1, 313660475), (5, 62732095), (25, 12546419), (61, 5141975), (89, 3524275), (305, 1028395), (445, 704855), (1525, 205679), (2225, 140971), (2311, 135725), (5429, 57775), (11555, 27145)]