78878168

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{467}}^1\times {\mathrm{491}}^1$

素因数の和:1007

約数の個数: 32

約数和(自身を含む): 151968960

約数和(自身を除く): 73090792

約数列:

[1, 2, 4, 8, 43, 86, 172, 344, 467, 491, 934, 982, 1868, 1964, 3736, 3928, 20081, 21113, 40162, 42226, 80324, 84452, 160648, 168904, 229297, 458594, 917188, 1834376, 9859771, 19719542, 39439084, 78878168]

約数ペア:

[(1, 78878168), (2, 39439084), (4, 19719542), (8, 9859771), (43, 1834376), (86, 917188), (172, 458594), (344, 229297), (467, 168904), (491, 160648), (934, 84452), (982, 80324), (1868, 42226), (1964, 40162), (3736, 21113), (3928, 20081)]