256379648

素因数分解:

$2^8\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1811}}^1$

素因数の和:1913

約数の個数: 72

約数和(自身を含む): 592596480

約数和(自身を除く): 336216832

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 79, 112, 128, 158, 224, 256, 316, 448, 553, 632, 896, 1106, 1264, 1792, 1811, 2212, 2528, 3622, 4424, 5056, 7244, 8848, 10112, 12677, 14488, 17696, 20224, 25354, 28976, 35392, 50708, 57952, 70784, 101416, 115904, 141568, 143069, 202832, 231808, 286138, 405664, 463616, 572276, 811328, 1001483, 1144552, 1622656, 2002966, 2289104, 3245312, 4005932, 4578208, 8011864, 9156416, 16023728, 18312832, 32047456, 36625664, 64094912, 128189824, 256379648]

約数ペア:

[(1, 256379648), (2, 128189824), (4, 64094912), (7, 36625664), (8, 32047456), (14, 18312832), (16, 16023728), (28, 9156416), (32, 8011864), (56, 4578208), (64, 4005932), (79, 3245312), (112, 2289104), (128, 2002966), (158, 1622656), (224, 1144552), (256, 1001483), (316, 811328), (448, 572276), (553, 463616), (632, 405664), (896, 286138), (1106, 231808), (1264, 202832), (1792, 143069), (1811, 141568), (2212, 115904), (2528, 101416), (3622, 70784), (4424, 57952), (5056, 50708), (7244, 35392), (8848, 28976), (10112, 25354), (12677, 20224), (14488, 17696)]