978320785

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{485519}}^1$

素因数の和:485568

約数の個数: 16

約数和(自身を含む): 1305077760

約数和(自身を除く): 326756975

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 485519, 2427595, 6311747, 15051089, 31558735, 75255445, 195664157, 978320785]

約数ペア:

[(1, 978320785), (5, 195664157), (13, 75255445), (31, 31558735), (65, 15051089), (155, 6311747), (403, 2427595), (2015, 485519)]