11980345

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1237}}^1$

素因数の和:1404

約数の個数: 16

約数和(自身を含む): 15598800

約数和(自身を除く): 3618455

約数列:

[1, 5, 13, 65, 149, 745, 1237, 1937, 6185, 9685, 16081, 80405, 184313, 921565, 2396069, 11980345]

約数ペア:

[(1, 11980345), (5, 2396069), (13, 921565), (65, 184313), (149, 80405), (745, 16081), (1237, 9685), (1937, 6185)]