728195

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{659}}^1$

素因数の和:694

約数の個数: 16

約数和(自身を含む): 997920

約数和(自身を除く): 269725

約数列:

[1, 5, 13, 17, 65, 85, 221, 659, 1105, 3295, 8567, 11203, 42835, 56015, 145639, 728195]

約数ペア:

[(1, 728195), (5, 145639), (13, 56015), (17, 42835), (65, 11203), (85, 8567), (221, 3295), (659, 1105)]