320401465

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{198391}}^1$

素因数の和:198432

約数の個数: 16

約数和(自身を含む): 428526720

約数和(自身を除く): 108125255

約数列:

[1, 5, 17, 19, 85, 95, 323, 1615, 198391, 991955, 3372647, 3769429, 16863235, 18847145, 64080293, 320401465]

約数ペア:

[(1, 320401465), (5, 64080293), (17, 18847145), (19, 16863235), (85, 3769429), (95, 3372647), (323, 991955), (1615, 198391)]