54777778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{35069}}^1$

素因数の和:35153

約数の個数: 16

約数和(自身を含む): 90901440

約数和(自身を除く): 36123662

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 35069, 70138, 385759, 771518, 2489899, 4979798, 27388889, 54777778]

約数ペア:

[(1, 54777778), (2, 27388889), (11, 4979798), (22, 2489899), (71, 771518), (142, 385759), (781, 70138), (1562, 35069)]