280961618

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{337}}^1$

素因数の和:507

約数の個数: 64

約数和(自身を含む): 532666368

約数和(自身を除く): 251704750

約数列:

[1, 2, 7, 14, 17, 31, 34, 62, 113, 119, 217, 226, 238, 337, 434, 527, 674, 791, 1054, 1582, 1921, 2359, 3503, 3689, 3842, 4718, 5729, 7006, 7378, 10447, 11458, 13447, 20894, 24521, 26894, 38081, 40103, 49042, 59551, 73129, 76162, 80206, 119102, 146258, 177599, 266567, 355198, 416857, 533134, 647377, 833714, 1180511, 1243193, 1294754, 2361022, 2486386, 4531639, 8263577, 9063278, 16527154, 20068687, 40137374, 140480809, 280961618]

約数ペア:

[(1, 280961618), (2, 140480809), (7, 40137374), (14, 20068687), (17, 16527154), (31, 9063278), (34, 8263577), (62, 4531639), (113, 2486386), (119, 2361022), (217, 1294754), (226, 1243193), (238, 1180511), (337, 833714), (434, 647377), (527, 533134), (674, 416857), (791, 355198), (1054, 266567), (1582, 177599), (1921, 146258), (2359, 119102), (3503, 80206), (3689, 76162), (3842, 73129), (4718, 59551), (5729, 49042), (7006, 40103), (7378, 38081), (10447, 26894), (11458, 24521), (13447, 20894)]