207638465

素因数分解:

$5^1\times {\mathrm{31}}^2\times {\mathrm{79}}^1\times {\mathrm{547}}^1$

素因数の和:693

約数の個数: 24

約数和(自身を含む): 261198720

約数和(自身を除く): 53560255

約数列:

[1, 5, 31, 79, 155, 395, 547, 961, 2449, 2735, 4805, 12245, 16957, 43213, 75919, 84785, 216065, 379595, 525667, 1339603, 2628335, 6698015, 41527693, 207638465]

約数ペア:

[(1, 207638465), (5, 41527693), (31, 6698015), (79, 2628335), (155, 1339603), (395, 525667), (547, 379595), (961, 216065), (2449, 84785), (2735, 75919), (4805, 43213), (12245, 16957)]