685221997439

素因数分解:

$7^1\times {\mathrm{61}}^2\times {\mathrm{307}}^1\times {\mathrm{85691}}^1$

素因数の和:86127

約数の個数: 24

約数和(自身を含む): 798761867904

約数和(自身を除く): 113539870465

約数列:

[1, 7, 61, 307, 427, 2149, 3721, 18727, 26047, 85691, 131089, 599837, 1142347, 5227151, 7996429, 26307137, 36590057, 184149959, 318856211, 1604735357, 2231993477, 11233147499, 97888856777, 685221997439]

約数ペア:

[(1, 685221997439), (7, 97888856777), (61, 11233147499), (307, 2231993477), (427, 1604735357), (2149, 318856211), (3721, 184149959), (18727, 36590057), (26047, 26307137), (85691, 7996429), (131089, 5227151), (599837, 1142347)]