320440888

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{138599}}^1$

素因数の和:138639

約数の個数: 24

約数和(自身を含む): 638253000

約数和(自身を除く): 317812112

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 289, 578, 1156, 2312, 138599, 277198, 554396, 1108792, 2356183, 4712366, 9424732, 18849464, 40055111, 80110222, 160220444, 320440888]

約数ペア:

[(1, 320440888), (2, 160220444), (4, 80110222), (8, 40055111), (17, 18849464), (34, 9424732), (68, 4712366), (136, 2356183), (289, 1108792), (578, 554396), (1156, 277198), (2312, 138599)]