81780778

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{104579}}^1$

素因数の和:104621

約数の個数: 16

約数和(自身を含む): 135535680

約数和(自身を除く): 53754902

約数列:

[1, 2, 17, 23, 34, 46, 391, 782, 104579, 209158, 1777843, 2405317, 3555686, 4810634, 40890389, 81780778]

約数ペア:

[(1, 81780778), (2, 40890389), (17, 4810634), (23, 3555686), (34, 2405317), (46, 1777843), (391, 209158), (782, 104579)]