205631504

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{277}}^1$

素因数の和:424

約数の個数: 80

約数和(自身を含む): 445929792

約数和(自身を除く): 240298288

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 83, 86, 104, 166, 172, 208, 277, 332, 344, 554, 559, 664, 688, 1079, 1108, 1118, 1328, 2158, 2216, 2236, 3569, 3601, 4316, 4432, 4472, 7138, 7202, 8632, 8944, 11911, 14276, 14404, 17264, 22991, 23822, 28552, 28808, 45982, 46397, 47644, 57104, 57616, 91964, 92794, 95288, 154843, 183928, 185588, 190576, 298883, 309686, 367856, 371176, 597766, 619372, 742352, 988613, 1195532, 1238744, 1977226, 2391064, 2477488, 3954452, 4782128, 7908904, 12851969, 15817808, 25703938, 51407876, 102815752, 205631504]

約数ペア:

[(1, 205631504), (2, 102815752), (4, 51407876), (8, 25703938), (13, 15817808), (16, 12851969), (26, 7908904), (43, 4782128), (52, 3954452), (83, 2477488), (86, 2391064), (104, 1977226), (166, 1238744), (172, 1195532), (208, 988613), (277, 742352), (332, 619372), (344, 597766), (554, 371176), (559, 367856), (664, 309686), (688, 298883), (1079, 190576), (1108, 185588), (1118, 183928), (1328, 154843), (2158, 95288), (2216, 92794), (2236, 91964), (3569, 57616), (3601, 57104), (4316, 47644), (4432, 46397), (4472, 45982), (7138, 28808), (7202, 28552), (8632, 23822), (8944, 22991), (11911, 17264), (14276, 14404)]