1320655

素因数分解:

$5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{389}}^1$

素因数の和:498

約数の個数: 16

約数和(自身を含む): 1834560

約数和(自身を除く): 513905

約数列:

[1, 5, 7, 35, 97, 389, 485, 679, 1945, 2723, 3395, 13615, 37733, 188665, 264131, 1320655]

約数ペア:

[(1, 1320655), (5, 264131), (7, 188665), (35, 37733), (97, 13615), (389, 3395), (485, 2723), (679, 1945)]