99999985

素因数分解:

$5^1\times {\mathrm{59}}^1\times {\mathrm{257}}^1\times {\mathrm{1319}}^1$

素因数の和:1640

約数の個数: 16

約数和(自身を含む): 122601600

約数和(自身を除く): 22601615

約数列:

[1, 5, 59, 257, 295, 1285, 1319, 6595, 15163, 75815, 77821, 338983, 389105, 1694915, 19999997, 99999985]

約数ペア:

[(1, 99999985), (5, 19999997), (59, 1694915), (257, 389105), (295, 338983), (1285, 77821), (1319, 75815), (6595, 15163)]