64507912

素因数分解:

$2^3\times 7^2\times {\mathrm{43}}^2\times {\mathrm{89}}^1$

素因数の和:195

約数の個数: 72

約数和(自身を含む): 145666350

約数和(自身を除く): 81158438

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 49, 56, 86, 89, 98, 172, 178, 196, 301, 344, 356, 392, 602, 623, 712, 1204, 1246, 1849, 2107, 2408, 2492, 3698, 3827, 4214, 4361, 4984, 7396, 7654, 8428, 8722, 12943, 14792, 15308, 16856, 17444, 25886, 26789, 30616, 34888, 51772, 53578, 90601, 103544, 107156, 164561, 181202, 187523, 214312, 329122, 362404, 375046, 658244, 724808, 750092, 1151927, 1316488, 1500184, 2303854, 4607708, 8063489, 9215416, 16126978, 32253956, 64507912]

約数ペア:

[(1, 64507912), (2, 32253956), (4, 16126978), (7, 9215416), (8, 8063489), (14, 4607708), (28, 2303854), (43, 1500184), (49, 1316488), (56, 1151927), (86, 750092), (89, 724808), (98, 658244), (172, 375046), (178, 362404), (196, 329122), (301, 214312), (344, 187523), (356, 181202), (392, 164561), (602, 107156), (623, 103544), (712, 90601), (1204, 53578), (1246, 51772), (1849, 34888), (2107, 30616), (2408, 26789), (2492, 25886), (3698, 17444), (3827, 16856), (4214, 15308), (4361, 14792), (4984, 12943), (7396, 8722), (7654, 8428)]