1247386

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{641}}^1$

素因数の和:789

約数の個数: 16

約数和(自身を含む): 2157120

約数和(自身を除く): 909734

約数列:

[1, 2, 7, 14, 139, 278, 641, 973, 1282, 1946, 4487, 8974, 89099, 178198, 623693, 1247386]

約数ペア:

[(1, 1247386), (2, 623693), (7, 178198), (14, 89099), (139, 8974), (278, 4487), (641, 1946), (973, 1282)]