78850555

素因数分解:

$5^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{1999}}^1$

素因数の和:2048

約数の個数: 32

約数和(自身を含む): 115200000

約数和(自身を除く): 36349445

約数列:

[1, 5, 7, 23, 35, 49, 115, 161, 245, 343, 805, 1127, 1715, 1999, 5635, 7889, 9995, 13993, 39445, 45977, 69965, 97951, 229885, 321839, 489755, 685657, 1609195, 2252873, 3428285, 11264365, 15770111, 78850555]

約数ペア:

[(1, 78850555), (5, 15770111), (7, 11264365), (23, 3428285), (35, 2252873), (49, 1609195), (115, 685657), (161, 489755), (245, 321839), (343, 229885), (805, 97951), (1127, 69965), (1715, 45977), (1999, 39445), (5635, 13993), (7889, 9995)]