81582266

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:578

約数の個数: 32

約数和(自身を含む): 131383296

約数和(自身を除く): 49801030

約数列:

[1, 2, 31, 43, 62, 71, 86, 142, 431, 862, 1333, 2201, 2666, 3053, 4402, 6106, 13361, 18533, 26722, 30601, 37066, 61202, 94643, 189286, 574523, 948631, 1149046, 1315843, 1897262, 2631686, 40791133, 81582266]

約数ペア:

[(1, 81582266), (2, 40791133), (31, 2631686), (43, 1897262), (62, 1315843), (71, 1149046), (86, 948631), (142, 574523), (431, 189286), (862, 94643), (1333, 61202), (2201, 37066), (2666, 30601), (3053, 26722), (4402, 18533), (6106, 13361)]