78564565

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{2953}}^1$

素因数の和:3288

約数の個数: 16

約数和(自身を含む): 100176048

約数和(自身を除く): 21611483

約数列:

[1, 5, 17, 85, 313, 1565, 2953, 5321, 14765, 26605, 50201, 251005, 924289, 4621445, 15712913, 78564565]

約数ペア:

[(1, 78564565), (5, 15712913), (17, 4621445), (85, 924289), (313, 251005), (1565, 50201), (2953, 26605), (5321, 14765)]