638195652

素因数分解:

$2^2\times 3^3\times {\mathrm{997}}^1\times {\mathrm{5927}}^1$

素因数の和:6937

約数の個数: 48

約数和(自身を含む): 1656520320

約数和(自身を除く): 1018324668

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 997, 1994, 2991, 3988, 5927, 5982, 8973, 11854, 11964, 17781, 17946, 23708, 26919, 35562, 35892, 53343, 53838, 71124, 106686, 107676, 160029, 213372, 320058, 640116, 5909219, 11818438, 17727657, 23636876, 35455314, 53182971, 70910628, 106365942, 159548913, 212731884, 319097826, 638195652]

約数ペア:

[(1, 638195652), (2, 319097826), (3, 212731884), (4, 159548913), (6, 106365942), (9, 70910628), (12, 53182971), (18, 35455314), (27, 23636876), (36, 17727657), (54, 11818438), (108, 5909219), (997, 640116), (1994, 320058), (2991, 213372), (3988, 160029), (5927, 107676), (5982, 106686), (8973, 71124), (11854, 53838), (11964, 53343), (17781, 35892), (17946, 35562), (23708, 26919)]