28693724

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{641}}^1$

素因数の和:714

約数の個数: 36

約数和(自身を含む): 54790848

約数和(自身を除く): 26097124

約数列:

[1, 2, 4, 19, 31, 38, 62, 76, 124, 361, 589, 641, 722, 1178, 1282, 1444, 2356, 2564, 11191, 12179, 19871, 22382, 24358, 39742, 44764, 48716, 79484, 231401, 377549, 462802, 755098, 925604, 1510196, 7173431, 14346862, 28693724]

約数ペア:

[(1, 28693724), (2, 14346862), (4, 7173431), (19, 1510196), (31, 925604), (38, 755098), (62, 462802), (76, 377549), (124, 231401), (361, 79484), (589, 48716), (641, 44764), (722, 39742), (1178, 24358), (1282, 22382), (1444, 19871), (2356, 12179), (2564, 11191)]