15840515

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{1187}}^1$

素因数の和:1366

約数の個数: 16

約数和(自身を含む): 20272032

約数和(自身を除く): 4431517

約数列:

[1, 5, 17, 85, 157, 785, 1187, 2669, 5935, 13345, 20179, 100895, 186359, 931795, 3168103, 15840515]

約数ペア:

[(1, 15840515), (5, 3168103), (17, 931795), (85, 186359), (157, 100895), (785, 20179), (1187, 13345), (2669, 5935)]