31134425

素因数分解:

$5^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1999}}^1$

素因数の和:2105

約数の個数: 24

約数和(自身を含む): 44640000

約数和(自身を除く): 13505575

約数列:

[1, 5, 7, 25, 35, 89, 175, 445, 623, 1999, 2225, 3115, 9995, 13993, 15575, 49975, 69965, 177911, 349825, 889555, 1245377, 4447775, 6226885, 31134425]

約数ペア:

[(1, 31134425), (5, 6226885), (7, 4447775), (25, 1245377), (35, 889555), (89, 349825), (175, 177911), (445, 69965), (623, 49975), (1999, 15575), (2225, 13993), (3115, 9995)]