72781372

素因数分解:

$2^2\times {\mathrm{83}}^1\times {\mathrm{257}}^1\times {\mathrm{853}}^1$

素因数の和:1197

約数の個数: 24

約数和(自身を含む): 129555216

約数和(自身を除く): 56773844

約数列:

[1, 2, 4, 83, 166, 257, 332, 514, 853, 1028, 1706, 3412, 21331, 42662, 70799, 85324, 141598, 219221, 283196, 438442, 876884, 18195343, 36390686, 72781372]

約数ペア:

[(1, 72781372), (2, 36390686), (4, 18195343), (83, 876884), (166, 438442), (257, 283196), (332, 219221), (514, 141598), (853, 85324), (1028, 70799), (1706, 42662), (3412, 21331)]