13151905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:217

約数の個数: 32

約数和(自身を含む): 17998848

約数和(自身を除く): 4846943

約数列:

[1, 5, 13, 31, 61, 65, 107, 155, 305, 403, 535, 793, 1391, 1891, 2015, 3317, 3965, 6527, 6955, 9455, 16585, 24583, 32635, 43121, 84851, 122915, 202337, 215605, 424255, 1011685, 2630381, 13151905]

約数ペア:

[(1, 13151905), (5, 2630381), (13, 1011685), (31, 424255), (61, 215605), (65, 202337), (107, 122915), (155, 84851), (305, 43121), (403, 32635), (535, 24583), (793, 16585), (1391, 9455), (1891, 6955), (2015, 6527), (3317, 3965)]