331370390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2549003}}^1$

素因数の和:2549023

約数の個数: 16

約数和(自身を含む): 642349008

約数和(自身を除く): 310978618

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 2549003, 5098006, 12745015, 25490030, 33137039, 66274078, 165685195, 331370390]

約数ペア:

[(1, 331370390), (2, 165685195), (5, 66274078), (10, 33137039), (13, 25490030), (26, 12745015), (65, 5098006), (130, 2549003)]