81114628

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{47491}}^1$

素因数の和:47563

約数の個数: 24

約数和(自身を含む): 164892224

約数和(自身を除く): 83777596

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 47491, 94982, 189964, 332437, 664874, 1329748, 2896951, 5793902, 11587804, 20278657, 40557314, 81114628]

約数ペア:

[(1, 81114628), (2, 40557314), (4, 20278657), (7, 11587804), (14, 5793902), (28, 2896951), (61, 1329748), (122, 664874), (244, 332437), (427, 189964), (854, 94982), (1708, 47491)]