81524212

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{13931}}^1$

素因数の和:13972

約数の個数: 48

約数和(自身を含む): 187246080

約数和(自身を除く): 105721868

約数列:

[1, 2, 4, 7, 11, 14, 19, 22, 28, 38, 44, 76, 77, 133, 154, 209, 266, 308, 418, 532, 836, 1463, 2926, 5852, 13931, 27862, 55724, 97517, 153241, 195034, 264689, 306482, 390068, 529378, 612964, 1058756, 1072687, 1852823, 2145374, 2911579, 3705646, 4290748, 5823158, 7411292, 11646316, 20381053, 40762106, 81524212]

約数ペア:

[(1, 81524212), (2, 40762106), (4, 20381053), (7, 11646316), (11, 7411292), (14, 5823158), (19, 4290748), (22, 3705646), (28, 2911579), (38, 2145374), (44, 1852823), (76, 1072687), (77, 1058756), (133, 612964), (154, 529378), (209, 390068), (266, 306482), (308, 264689), (418, 195034), (532, 153241), (836, 97517), (1463, 55724), (2926, 27862), (5852, 13931)]