213409394

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{28447}}^1$

素因数の和:28502

約数の個数: 24

約数和(自身を含む): 363224064

約数和(自身を除く): 149814670

約数列:

[1, 2, 11, 22, 31, 62, 121, 242, 341, 682, 3751, 7502, 28447, 56894, 312917, 625834, 881857, 1763714, 3442087, 6884174, 9700427, 19400854, 106704697, 213409394]

約数ペア:

[(1, 213409394), (2, 106704697), (11, 19400854), (22, 9700427), (31, 6884174), (62, 3442087), (121, 1763714), (242, 881857), (341, 625834), (682, 312917), (3751, 56894), (7502, 28447)]