904280195

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1987429}}^1$

素因数の和:1987454

約数の個数: 16

約数和(自身を含む): 1335552960

約数和(自身を除く): 431272765

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 1987429, 9937145, 13912003, 25836577, 69560015, 129182885, 180856039, 904280195]

約数ペア:

[(1, 904280195), (5, 180856039), (7, 129182885), (13, 69560015), (35, 25836577), (65, 13912003), (91, 9937145), (455, 1987429)]