81417656

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{233}}^1\times {\mathrm{1409}}^1$

素因数の和:1679

約数の個数: 32

約数和(自身を含む): 158371200

約数和(自身を除く): 76953544

約数列:

[1, 2, 4, 8, 31, 62, 124, 233, 248, 466, 932, 1409, 1864, 2818, 5636, 7223, 11272, 14446, 28892, 43679, 57784, 87358, 174716, 328297, 349432, 656594, 1313188, 2626376, 10177207, 20354414, 40708828, 81417656]

約数ペア:

[(1, 81417656), (2, 40708828), (4, 20354414), (8, 10177207), (31, 2626376), (62, 1313188), (124, 656594), (233, 349432), (248, 328297), (466, 174716), (932, 87358), (1409, 57784), (1864, 43679), (2818, 28892), (5636, 14446), (7223, 11272)]