78556072

素因数分解:

$2^3\times 7^1\times {\mathrm{491}}^1\times {\mathrm{2857}}^1$

素因数の和:3361

約数の個数: 32

約数和(自身を含む): 168736320

約数和(自身を除く): 90180248

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 491, 982, 1964, 2857, 3437, 3928, 5714, 6874, 11428, 13748, 19999, 22856, 27496, 39998, 79996, 159992, 1402787, 2805574, 5611148, 9819509, 11222296, 19639018, 39278036, 78556072]

約数ペア:

[(1, 78556072), (2, 39278036), (4, 19639018), (7, 11222296), (8, 9819509), (14, 5611148), (28, 2805574), (56, 1402787), (491, 159992), (982, 79996), (1964, 39998), (2857, 27496), (3437, 22856), (3928, 19999), (5714, 13748), (6874, 11428)]