102920456765

素因数分解:

$5^1\times 7^2\times {\mathrm{420083497}}^1$

素因数の和:420083516

約数の個数: 12

約数和(自身を含む): 143668556316

約数和(自身を除く): 40748099551

約数列:

[1, 5, 7, 35, 49, 245, 420083497, 2100417485, 2940584479, 14702922395, 20584091353, 102920456765]

約数ペア:

[(1, 102920456765), (5, 20584091353), (7, 14702922395), (35, 2940584479), (49, 2100417485), (245, 420083497)]