207926404

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{233}}^1$

素因数の和:437

約数の個数: 72

約数和(自身を含む): 442554840

約数和(自身を除く): 234628436

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 116, 157, 196, 203, 233, 314, 406, 466, 628, 812, 932, 1099, 1421, 1631, 2198, 2842, 3262, 4396, 4553, 5684, 6524, 6757, 7693, 9106, 11417, 13514, 15386, 18212, 22834, 27028, 30772, 31871, 36581, 45668, 47299, 63742, 73162, 94598, 127484, 146324, 189196, 223097, 256067, 331093, 446194, 512134, 662186, 892388, 1024268, 1060849, 1324372, 1792469, 2121698, 3584938, 4243396, 7169876, 7425943, 14851886, 29703772, 51981601, 103963202, 207926404]

約数ペア:

[(1, 207926404), (2, 103963202), (4, 51981601), (7, 29703772), (14, 14851886), (28, 7425943), (29, 7169876), (49, 4243396), (58, 3584938), (98, 2121698), (116, 1792469), (157, 1324372), (196, 1060849), (203, 1024268), (233, 892388), (314, 662186), (406, 512134), (466, 446194), (628, 331093), (812, 256067), (932, 223097), (1099, 189196), (1421, 146324), (1631, 127484), (2198, 94598), (2842, 73162), (3262, 63742), (4396, 47299), (4553, 45668), (5684, 36581), (6524, 31871), (6757, 30772), (7693, 27028), (9106, 22834), (11417, 18212), (13514, 15386)]