201538085

素因数分解:

$5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{72889}}^1$

素因数の和:72980

約数の個数: 16

約数和(自身を含む): 279897600

約数和(自身を除く): 78359515

約数列:

[1, 5, 7, 35, 79, 395, 553, 2765, 72889, 364445, 510223, 2551115, 5758231, 28791155, 40307617, 201538085]

約数ペア:

[(1, 201538085), (5, 40307617), (7, 28791155), (35, 5758231), (79, 2551115), (395, 510223), (553, 364445), (2765, 72889)]