70247681

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:285

約数の個数: 32

約数和(自身を含む): 87521280

約数和(自身を除く): 17273599

約数列:

[1, 7, 23, 43, 73, 139, 161, 301, 511, 973, 989, 1679, 3139, 3197, 5977, 6923, 10147, 11753, 21973, 22379, 41839, 71029, 72197, 137471, 233381, 436321, 505379, 962297, 1633667, 3054247, 10035383, 70247681]

約数ペア:

[(1, 70247681), (7, 10035383), (23, 3054247), (43, 1633667), (73, 962297), (139, 505379), (161, 436321), (301, 233381), (511, 137471), (973, 72197), (989, 71029), (1679, 41839), (3139, 22379), (3197, 21973), (5977, 11753), (6923, 10147)]