209687534

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{431}}^1$

素因数の和:549

約数の個数: 64

約数和(自身を含む): 398131200

約数和(自身を除く): 188443666

約数列:

[1, 2, 7, 14, 19, 31, 38, 59, 62, 118, 133, 217, 266, 413, 431, 434, 589, 826, 862, 1121, 1178, 1829, 2242, 3017, 3658, 4123, 6034, 7847, 8189, 8246, 12803, 13361, 15694, 16378, 25429, 25606, 26722, 34751, 50858, 57323, 69502, 93527, 114646, 178003, 187054, 243257, 253859, 356006, 483151, 486514, 507718, 788299, 966302, 1576598, 1777013, 3382057, 3554026, 5518093, 6764114, 11036186, 14977681, 29955362, 104843767, 209687534]

約数ペア:

[(1, 209687534), (2, 104843767), (7, 29955362), (14, 14977681), (19, 11036186), (31, 6764114), (38, 5518093), (59, 3554026), (62, 3382057), (118, 1777013), (133, 1576598), (217, 966302), (266, 788299), (413, 507718), (431, 486514), (434, 483151), (589, 356006), (826, 253859), (862, 243257), (1121, 187054), (1178, 178003), (1829, 114646), (2242, 93527), (3017, 69502), (3658, 57323), (4123, 50858), (6034, 34751), (7847, 26722), (8189, 25606), (8246, 25429), (12803, 16378), (13361, 15694)]