199998379

素因数分解:

$7^1\times {\mathrm{149}}^1\times {\mathrm{337}}^1\times {\mathrm{569}}^1$

素因数の和:1062

約数の個数: 16

約数和(自身を含む): 231192000

約数和(自身を除く): 31193621

約数列:

[1, 7, 149, 337, 569, 1043, 2359, 3983, 50213, 84781, 191753, 351491, 593467, 1342271, 28571197, 199998379]

約数ペア:

[(1, 199998379), (7, 28571197), (149, 1342271), (337, 593467), (569, 351491), (1043, 191753), (2359, 84781), (3983, 50213)]