78505072

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{213329}}^1$

素因数の和:213360

約数の個数: 20

約数和(自身を含む): 158717520

約数和(自身を除く): 80212448

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 213329, 426658, 853316, 1706632, 3413264, 4906567, 9813134, 19626268, 39252536, 78505072]

約数ペア:

[(1, 78505072), (2, 39252536), (4, 19626268), (8, 9813134), (16, 4906567), (23, 3413264), (46, 1706632), (92, 853316), (184, 426658), (368, 213329)]