66905426

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{34381}}^1$

素因数の和:34529

約数の個数: 16

約数和(自身を含む): 115523520

約数和(自身を除く): 48618094

約数列:

[1, 2, 7, 14, 139, 278, 973, 1946, 34381, 68762, 240667, 481334, 4778959, 9557918, 33452713, 66905426]

約数ペア:

[(1, 66905426), (2, 33452713), (7, 9557918), (14, 4778959), (139, 481334), (278, 240667), (973, 68762), (1946, 34381)]