19775996828

素因数分解:

$2^2\times 7^2\times {\mathrm{257}}^1\times {\mathrm{392599}}^1$

素因数の和:392874

約数の個数: 36

約数和(自身を含む): 40415029200

約数和(自身を除く): 20639032372

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 257, 514, 1028, 1799, 3598, 7196, 12593, 25186, 50372, 392599, 785198, 1570396, 2748193, 5496386, 10992772, 19237351, 38474702, 76949404, 100897943, 201795886, 403591772, 706285601, 1412571202, 2825142404, 4943999207, 9887998414, 19775996828]

約数ペア:

[(1, 19775996828), (2, 9887998414), (4, 4943999207), (7, 2825142404), (14, 1412571202), (28, 706285601), (49, 403591772), (98, 201795886), (196, 100897943), (257, 76949404), (514, 38474702), (1028, 19237351), (1799, 10992772), (3598, 5496386), (7196, 2748193), (12593, 1570396), (25186, 785198), (50372, 392599)]