7278190

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1871}}^1$

素因数の和:2267

約数の個数: 16

約数和(自身を含む): 13141440

約数和(自身を除く): 5863250

約数列:

[1, 2, 5, 10, 389, 778, 1871, 1945, 3742, 3890, 9355, 18710, 727819, 1455638, 3639095, 7278190]

約数ペア:

[(1, 7278190), (2, 3639095), (5, 1455638), (10, 727819), (389, 18710), (778, 9355), (1871, 3890), (1945, 3742)]