81175808

素因数分解:

$2^8\times 7^1\times {\mathrm{97}}^1\times {\mathrm{467}}^1$

素因数の和:587

約数の個数: 72

約数和(自身を含む): 187492032

約数和(自身を除く): 106316224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 97, 112, 128, 194, 224, 256, 388, 448, 467, 679, 776, 896, 934, 1358, 1552, 1792, 1868, 2716, 3104, 3269, 3736, 5432, 6208, 6538, 7472, 10864, 12416, 13076, 14944, 21728, 24832, 26152, 29888, 43456, 45299, 52304, 59776, 86912, 90598, 104608, 119552, 173824, 181196, 209216, 317093, 362392, 418432, 634186, 724784, 836864, 1268372, 1449568, 2536744, 2899136, 5073488, 5798272, 10146976, 11596544, 20293952, 40587904, 81175808]

約数ペア:

[(1, 81175808), (2, 40587904), (4, 20293952), (7, 11596544), (8, 10146976), (14, 5798272), (16, 5073488), (28, 2899136), (32, 2536744), (56, 1449568), (64, 1268372), (97, 836864), (112, 724784), (128, 634186), (194, 418432), (224, 362392), (256, 317093), (388, 209216), (448, 181196), (467, 173824), (679, 119552), (776, 104608), (896, 90598), (934, 86912), (1358, 59776), (1552, 52304), (1792, 45299), (1868, 43456), (2716, 29888), (3104, 26152), (3269, 24832), (3736, 21728), (5432, 14944), (6208, 13076), (6538, 12416), (7472, 10864)]