251149638

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{293}}^1$

素因数の和:493

約数の個数: 64

約数和(自身を含む): 543029760

約数和(自身を除く): 291880122

約数列:

[1, 2, 3, 6, 19, 38, 57, 73, 103, 114, 146, 206, 219, 293, 309, 438, 586, 618, 879, 1387, 1758, 1957, 2774, 3914, 4161, 5567, 5871, 7519, 8322, 11134, 11742, 15038, 16701, 21389, 22557, 30179, 33402, 42778, 45114, 60358, 64167, 90537, 128334, 142861, 181074, 285722, 406391, 428583, 573401, 812782, 857166, 1146802, 1219173, 1720203, 2203067, 2438346, 3440406, 4406134, 6609201, 13218402, 41858273, 83716546, 125574819, 251149638]

約数ペア:

[(1, 251149638), (2, 125574819), (3, 83716546), (6, 41858273), (19, 13218402), (38, 6609201), (57, 4406134), (73, 3440406), (103, 2438346), (114, 2203067), (146, 1720203), (206, 1219173), (219, 1146802), (293, 857166), (309, 812782), (438, 573401), (586, 428583), (618, 406391), (879, 285722), (1387, 181074), (1758, 142861), (1957, 128334), (2774, 90537), (3914, 64167), (4161, 60358), (5567, 45114), (5871, 42778), (7519, 33402), (8322, 30179), (11134, 22557), (11742, 21389), (15038, 16701)]