251314672

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{6947}}^1$

素因数の和:6998

約数の個数: 80

約数和(自身を含む): 620317440

約数和(自身を除く): 369002768

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 19, 28, 34, 38, 56, 68, 76, 112, 119, 133, 136, 152, 238, 266, 272, 304, 323, 476, 532, 646, 952, 1064, 1292, 1904, 2128, 2261, 2584, 4522, 5168, 6947, 9044, 13894, 18088, 27788, 36176, 48629, 55576, 97258, 111152, 118099, 131993, 194516, 236198, 263986, 389032, 472396, 527972, 778064, 826693, 923951, 944792, 1055944, 1653386, 1847902, 1889584, 2111888, 2243881, 3306772, 3695804, 4487762, 6613544, 7391608, 8975524, 13227088, 14783216, 15707167, 17951048, 31414334, 35902096, 62828668, 125657336, 251314672]

約数ペア:

[(1, 251314672), (2, 125657336), (4, 62828668), (7, 35902096), (8, 31414334), (14, 17951048), (16, 15707167), (17, 14783216), (19, 13227088), (28, 8975524), (34, 7391608), (38, 6613544), (56, 4487762), (68, 3695804), (76, 3306772), (112, 2243881), (119, 2111888), (133, 1889584), (136, 1847902), (152, 1653386), (238, 1055944), (266, 944792), (272, 923951), (304, 826693), (323, 778064), (476, 527972), (532, 472396), (646, 389032), (952, 263986), (1064, 236198), (1292, 194516), (1904, 131993), (2128, 118099), (2261, 111152), (2584, 97258), (4522, 55576), (5168, 48629), (6947, 36176), (9044, 27788), (13894, 18088)]