1319315312

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{619979}}^1$

素因数の和:620013

約数の個数: 40

約数和(自身を含む): 3075100800

約数和(自身を除く): 1755785488

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 619979, 1239958, 2479916, 4339853, 4959832, 8679706, 9919664, 11779601, 17359412, 23559202, 34718824, 47118404, 69437648, 82457207, 94236808, 164914414, 188473616, 329828828, 659657656, 1319315312]

約数ペア:

[(1, 1319315312), (2, 659657656), (4, 329828828), (7, 188473616), (8, 164914414), (14, 94236808), (16, 82457207), (19, 69437648), (28, 47118404), (38, 34718824), (56, 23559202), (76, 17359412), (112, 11779601), (133, 9919664), (152, 8679706), (266, 4959832), (304, 4339853), (532, 2479916), (1064, 1239958), (2128, 619979)]