64841987

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{2281}}^1$

素因数の和:2450

約数の個数: 16

約数和(自身を含む): 77113344

約数和(自身を除く): 12271357

約数列:

[1, 7, 31, 131, 217, 917, 2281, 4061, 15967, 28427, 70711, 298811, 494977, 2091677, 9263141, 64841987]

約数ペア:

[(1, 64841987), (7, 9263141), (31, 2091677), (131, 494977), (217, 298811), (917, 70711), (2281, 28427), (4061, 15967)]