28980035

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43579}}^1$

素因数の和:43610

約数の個数: 16

約数和(自身を含む): 41836800

約数和(自身を除く): 12856765

約数列:

[1, 5, 7, 19, 35, 95, 133, 665, 43579, 217895, 305053, 828001, 1525265, 4140005, 5796007, 28980035]

約数ペア:

[(1, 28980035), (5, 5796007), (7, 4140005), (19, 1525265), (35, 828001), (95, 305053), (133, 217895), (665, 43579)]