2198638

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{821}}^1$

素因数の和:939

約数の個数: 16

約数和(自身を含む): 3590496

約数和(自身を除く): 1391858

約数列:

[1, 2, 13, 26, 103, 206, 821, 1339, 1642, 2678, 10673, 21346, 84563, 169126, 1099319, 2198638]

約数ペア:

[(1, 2198638), (2, 1099319), (13, 169126), (26, 84563), (103, 21346), (206, 10673), (821, 2678), (1339, 1642)]