207971818

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{40289}}^1$

素因数の和:40409

約数の個数: 16

約数和(自身を含む): 326349000

約数和(自身を除く): 118377182

約数列:

[1, 2, 29, 58, 89, 178, 2581, 5162, 40289, 80578, 1168381, 2336762, 3585721, 7171442, 103985909, 207971818]

約数ペア:

[(1, 207971818), (2, 103985909), (29, 7171442), (58, 3585721), (89, 2336762), (178, 1168381), (2581, 80578), (5162, 40289)]