1990761695

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{81239}}^1$

素因数の和:81299

約数の個数: 24

約数和(自身を含む): 2676045600

約数和(自身を除く): 685283905

約数列:

[1, 5, 13, 29, 65, 145, 169, 377, 845, 1885, 4901, 24505, 81239, 406195, 1056107, 2355931, 5280535, 11779655, 13729391, 30627103, 68646955, 153135515, 398152339, 1990761695]

約数ペア:

[(1, 1990761695), (5, 398152339), (13, 153135515), (29, 68646955), (65, 30627103), (145, 13729391), (169, 11779655), (377, 5280535), (845, 2355931), (1885, 1056107), (4901, 406195), (24505, 81239)]