198499574

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{419}}^1$

素因数の和:597

約数の個数: 64

約数和(自身を含む): 389491200

約数和(自身を除く): 190991626

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 137, 182, 247, 266, 274, 419, 494, 838, 959, 1729, 1781, 1918, 2603, 2933, 3458, 3562, 5206, 5447, 5866, 7961, 10894, 12467, 15922, 18221, 24934, 33839, 36442, 38129, 55727, 57403, 67678, 76258, 103493, 111454, 114806, 206986, 236873, 401821, 473746, 724451, 746239, 803642, 1090657, 1448902, 1492478, 2181314, 5223673, 7634599, 10447346, 14178541, 15269198, 28357082, 99249787, 198499574]

約数ペア:

[(1, 198499574), (2, 99249787), (7, 28357082), (13, 15269198), (14, 14178541), (19, 10447346), (26, 7634599), (38, 5223673), (91, 2181314), (133, 1492478), (137, 1448902), (182, 1090657), (247, 803642), (266, 746239), (274, 724451), (419, 473746), (494, 401821), (838, 236873), (959, 206986), (1729, 114806), (1781, 111454), (1918, 103493), (2603, 76258), (2933, 67678), (3458, 57403), (3562, 55727), (5206, 38129), (5447, 36442), (5866, 33839), (7961, 24934), (10894, 18221), (12467, 15922)]