1389505796

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{9931}}^1$

素因数の和:10224

約数の個数: 48

約数和(自身を含む): 2936693760

約数和(自身を除く): 1547187964

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 263, 266, 526, 532, 1052, 1841, 3682, 4997, 7364, 9931, 9994, 19862, 19988, 34979, 39724, 69517, 69958, 139034, 139916, 188689, 278068, 377378, 754756, 1320823, 2611853, 2641646, 5223706, 5283292, 10447412, 18282971, 36565942, 49625207, 73131884, 99250414, 198500828, 347376449, 694752898, 1389505796]

約数ペア:

[(1, 1389505796), (2, 694752898), (4, 347376449), (7, 198500828), (14, 99250414), (19, 73131884), (28, 49625207), (38, 36565942), (76, 18282971), (133, 10447412), (263, 5283292), (266, 5223706), (526, 2641646), (532, 2611853), (1052, 1320823), (1841, 754756), (3682, 377378), (4997, 278068), (7364, 188689), (9931, 139916), (9994, 139034), (19862, 69958), (19988, 69517), (34979, 39724)]