261920642

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{77999}}^1$

素因数の和:78097

約数の個数: 16

約数和(自身を含む): 415584000

約数和(自身を除く): 153663358

約数列:

[1, 2, 23, 46, 73, 146, 1679, 3358, 77999, 155998, 1793977, 3587954, 5693927, 11387854, 130960321, 261920642]

約数ペア:

[(1, 261920642), (2, 130960321), (23, 11387854), (46, 5693927), (73, 3587954), (146, 1793977), (1679, 155998), (3358, 77999)]