81307582

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{137}}^1$

素因数の和:352

約数の個数: 32

約数和(自身を含む): 128823552

約数和(自身を除く): 47515970

約数列:

[1, 2, 43, 67, 86, 103, 134, 137, 206, 274, 2881, 4429, 5762, 5891, 6901, 8858, 9179, 11782, 13802, 14111, 18358, 28222, 296743, 394697, 593486, 606773, 789394, 945437, 1213546, 1890874, 40653791, 81307582]

約数ペア:

[(1, 81307582), (2, 40653791), (43, 1890874), (67, 1213546), (86, 945437), (103, 789394), (134, 606773), (137, 593486), (206, 394697), (274, 296743), (2881, 28222), (4429, 18358), (5762, 14111), (5891, 13802), (6901, 11782), (8858, 9179)]