291212656

素因数分解:

$2^4\times 7^1\times {\mathrm{2600113}}^1$

素因数の和:2600128

約数の個数: 20

約数和(自身を含む): 644828272

約数和(自身を除く): 353615616

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 2600113, 5200226, 10400452, 18200791, 20800904, 36401582, 41601808, 72803164, 145606328, 291212656]

約数ペア:

[(1, 291212656), (2, 145606328), (4, 72803164), (7, 41601808), (8, 36401582), (14, 20800904), (16, 18200791), (28, 10400452), (56, 5200226), (112, 2600113)]