258648976

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{6121}}^1$

素因数の和:6287

約数の個数: 40

約数和(自身を含む): 531389600

約数和(自身を除く): 272740624

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 139, 152, 278, 304, 556, 1112, 2224, 2641, 5282, 6121, 10564, 12242, 21128, 24484, 42256, 48968, 97936, 116299, 232598, 465196, 850819, 930392, 1701638, 1860784, 3403276, 6806552, 13613104, 16165561, 32331122, 64662244, 129324488, 258648976]

約数ペア:

[(1, 258648976), (2, 129324488), (4, 64662244), (8, 32331122), (16, 16165561), (19, 13613104), (38, 6806552), (76, 3403276), (139, 1860784), (152, 1701638), (278, 930392), (304, 850819), (556, 465196), (1112, 232598), (2224, 116299), (2641, 97936), (5282, 48968), (6121, 42256), (10564, 24484), (12242, 21128)]