64681942

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{643}}^1$

素因数の和:784

約数の個数: 32

約数和(自身を含む): 108083808

約数和(自身を除く): 43401866

約数列:

[1, 2, 13, 26, 53, 73, 106, 146, 643, 689, 949, 1286, 1378, 1898, 3869, 7738, 8359, 16718, 34079, 46939, 50297, 68158, 93878, 100594, 443027, 610207, 886054, 1220414, 2487767, 4975534, 32340971, 64681942]

約数ペア:

[(1, 64681942), (2, 32340971), (13, 4975534), (26, 2487767), (53, 1220414), (73, 886054), (106, 610207), (146, 443027), (643, 100594), (689, 93878), (949, 68158), (1286, 50297), (1378, 46939), (1898, 34079), (3869, 16718), (7738, 8359)]