31771789

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{2011}}^1$

素因数の和:2116

約数の個数: 16

約数和(自身を含む): 37922176

約数和(自身を除く): 6150387

約数列:

[1, 7, 37, 61, 259, 427, 2011, 2257, 14077, 15799, 74407, 122671, 520849, 858697, 4538827, 31771789]

約数ペア:

[(1, 31771789), (7, 4538827), (37, 858697), (61, 520849), (259, 122671), (427, 74407), (2011, 15799), (2257, 14077)]