31780126

素因数分解:

$2^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{2333}}^1$

素因数の和:2488

約数の個数: 24

約数和(自身を含む): 55875960

約数和(自身を除く): 24095834

約数列:

[1, 2, 7, 14, 49, 98, 139, 278, 973, 1946, 2333, 4666, 6811, 13622, 16331, 32662, 114317, 228634, 324287, 648574, 2270009, 4540018, 15890063, 31780126]

約数ペア:

[(1, 31780126), (2, 15890063), (7, 4540018), (14, 2270009), (49, 648574), (98, 324287), (139, 228634), (278, 114317), (973, 32662), (1946, 16331), (2333, 13622), (4666, 6811)]