208433584

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{83}}^2$

素因数の和:266

約数の個数: 60

約数和(自身を含む): 428867392

約数和(自身を除く): 220433808

約数列:

[1, 2, 4, 8, 16, 31, 61, 62, 83, 122, 124, 166, 244, 248, 332, 488, 496, 664, 976, 1328, 1891, 2573, 3782, 5063, 5146, 6889, 7564, 10126, 10292, 13778, 15128, 20252, 20584, 27556, 30256, 40504, 41168, 55112, 81008, 110224, 156953, 213559, 313906, 420229, 427118, 627812, 840458, 854236, 1255624, 1680916, 1708472, 2511248, 3361832, 3416944, 6723664, 13027099, 26054198, 52108396, 104216792, 208433584]

約数ペア:

[(1, 208433584), (2, 104216792), (4, 52108396), (8, 26054198), (16, 13027099), (31, 6723664), (61, 3416944), (62, 3361832), (83, 2511248), (122, 1708472), (124, 1680916), (166, 1255624), (244, 854236), (248, 840458), (332, 627812), (488, 427118), (496, 420229), (664, 313906), (976, 213559), (1328, 156953), (1891, 110224), (2573, 81008), (3782, 55112), (5063, 41168), (5146, 40504), (6889, 30256), (7564, 27556), (10126, 20584), (10292, 20252), (13778, 15128)]