139687408

素因数分解:

$2^4\times 7^1\times {\mathrm{1247209}}^1$

素因数の和:1247224

約数の個数: 20

約数和(自身を含む): 309308080

約数和(自身を除く): 169620672

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1247209, 2494418, 4988836, 8730463, 9977672, 17460926, 19955344, 34921852, 69843704, 139687408]

約数ペア:

[(1, 139687408), (2, 69843704), (4, 34921852), (7, 19955344), (8, 17460926), (14, 9977672), (16, 8730463), (28, 4988836), (56, 2494418), (112, 1247209)]