2620345

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{443}}^1$

素因数の和:481

約数の個数: 24

約数和(自身を含む): 3900096

約数和(自身を除く): 1279751

約数列:

[1, 5, 7, 13, 35, 65, 91, 169, 443, 455, 845, 1183, 2215, 3101, 5759, 5915, 15505, 28795, 40313, 74867, 201565, 374335, 524069, 2620345]

約数ペア:

[(1, 2620345), (5, 524069), (7, 374335), (13, 201565), (35, 74867), (65, 40313), (91, 28795), (169, 15505), (443, 5915), (455, 5759), (845, 3101), (1183, 2215)]