247768864

素因数分解:

$2^5\times 7^1\times {\mathrm{31}}^2\times {\mathrm{1151}}^1$

素因数の和:1230

約数の個数: 72

約数和(自身を含む): 576543744

約数和(自身を除く): 328774880

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 112, 124, 217, 224, 248, 434, 496, 868, 961, 992, 1151, 1736, 1922, 2302, 3472, 3844, 4604, 6727, 6944, 7688, 8057, 9208, 13454, 15376, 16114, 18416, 26908, 30752, 32228, 35681, 36832, 53816, 64456, 71362, 107632, 128912, 142724, 215264, 249767, 257824, 285448, 499534, 570896, 999068, 1106111, 1141792, 1998136, 2212222, 3996272, 4424444, 7742777, 7992544, 8848888, 15485554, 17697776, 30971108, 35395552, 61942216, 123884432, 247768864]

約数ペア:

[(1, 247768864), (2, 123884432), (4, 61942216), (7, 35395552), (8, 30971108), (14, 17697776), (16, 15485554), (28, 8848888), (31, 7992544), (32, 7742777), (56, 4424444), (62, 3996272), (112, 2212222), (124, 1998136), (217, 1141792), (224, 1106111), (248, 999068), (434, 570896), (496, 499534), (868, 285448), (961, 257824), (992, 249767), (1151, 215264), (1736, 142724), (1922, 128912), (2302, 107632), (3472, 71362), (3844, 64456), (4604, 53816), (6727, 36832), (6944, 35681), (7688, 32228), (8057, 30752), (9208, 26908), (13454, 18416), (15376, 16114)]