256896416

素因数分解:

$2^5\times 7^2\times {\mathrm{19}}^1\times {\mathrm{8623}}^1$

素因数の和:8666

約数の個数: 72

約数和(自身を含む): 619375680

約数和(自身を除く): 362479264

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 49, 56, 76, 98, 112, 133, 152, 196, 224, 266, 304, 392, 532, 608, 784, 931, 1064, 1568, 1862, 2128, 3724, 4256, 7448, 8623, 14896, 17246, 29792, 34492, 60361, 68984, 120722, 137968, 163837, 241444, 275936, 327674, 422527, 482888, 655348, 845054, 965776, 1146859, 1310696, 1690108, 1931552, 2293718, 2621392, 3380216, 4587436, 5242784, 6760432, 8028013, 9174872, 13520864, 16056026, 18349744, 32112052, 36699488, 64224104, 128448208, 256896416]

約数ペア:

[(1, 256896416), (2, 128448208), (4, 64224104), (7, 36699488), (8, 32112052), (14, 18349744), (16, 16056026), (19, 13520864), (28, 9174872), (32, 8028013), (38, 6760432), (49, 5242784), (56, 4587436), (76, 3380216), (98, 2621392), (112, 2293718), (133, 1931552), (152, 1690108), (196, 1310696), (224, 1146859), (266, 965776), (304, 845054), (392, 655348), (532, 482888), (608, 422527), (784, 327674), (931, 275936), (1064, 241444), (1568, 163837), (1862, 137968), (2128, 120722), (3724, 68984), (4256, 60361), (7448, 34492), (8623, 29792), (14896, 17246)]