397491136

素因数分解:

$2^6\times 7^2\times {\mathrm{126751}}^1$

素因数の和:126777

約数の個数: 42

約数和(自身を含む): 917557728

約数和(自身を除く): 520066592

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 64, 98, 112, 196, 224, 392, 448, 784, 1568, 3136, 126751, 253502, 507004, 887257, 1014008, 1774514, 2028016, 3549028, 4056032, 6210799, 7098056, 8112064, 12421598, 14196112, 24843196, 28392224, 49686392, 56784448, 99372784, 198745568, 397491136]

約数ペア:

[(1, 397491136), (2, 198745568), (4, 99372784), (7, 56784448), (8, 49686392), (14, 28392224), (16, 24843196), (28, 14196112), (32, 12421598), (49, 8112064), (56, 7098056), (64, 6210799), (98, 4056032), (112, 3549028), (196, 2028016), (224, 1774514), (392, 1014008), (448, 887257), (784, 507004), (1568, 253502), (3136, 126751)]