31815786

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{971}}^1$

素因数の和:1146

約数の個数: 32

約数和(自身を含む): 65691648

約数和(自身を除く): 33875862

約数列:

[1, 2, 3, 6, 43, 86, 127, 129, 254, 258, 381, 762, 971, 1942, 2913, 5461, 5826, 10922, 16383, 32766, 41753, 83506, 123317, 125259, 246634, 250518, 369951, 739902, 5302631, 10605262, 15907893, 31815786]

約数ペア:

[(1, 31815786), (2, 15907893), (3, 10605262), (6, 5302631), (43, 739902), (86, 369951), (127, 250518), (129, 246634), (254, 125259), (258, 123317), (381, 83506), (762, 41753), (971, 32766), (1942, 16383), (2913, 10922), (5461, 5826)]