78408978

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{2503}}^1$

素因数の和:2758

約数の個数: 32

約数和(自身を含む): 164422656

約数和(自身を除く): 86013678

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 227, 454, 681, 1362, 2503, 5006, 5221, 7509, 10442, 15018, 15663, 31326, 57569, 115138, 172707, 345414, 568181, 1136362, 1704543, 3409086, 13068163, 26136326, 39204489, 78408978]

約数ペア:

[(1, 78408978), (2, 39204489), (3, 26136326), (6, 13068163), (23, 3409086), (46, 1704543), (69, 1136362), (138, 568181), (227, 345414), (454, 172707), (681, 115138), (1362, 57569), (2503, 31326), (5006, 15663), (5221, 15018), (7509, 10442)]