138656756

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{991}}^1$

素因数の和:1284

約数の個数: 48

約数和(自身を含む): 293314560

約数和(自身を除く): 154657804

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 263, 266, 526, 532, 991, 1052, 1841, 1982, 3682, 3964, 4997, 6937, 7364, 9994, 13874, 18829, 19988, 27748, 34979, 37658, 69958, 75316, 131803, 139916, 260633, 263606, 521266, 527212, 1042532, 1824431, 3648862, 4952027, 7297724, 9904054, 19808108, 34664189, 69328378, 138656756]

約数ペア:

[(1, 138656756), (2, 69328378), (4, 34664189), (7, 19808108), (14, 9904054), (19, 7297724), (28, 4952027), (38, 3648862), (76, 1824431), (133, 1042532), (263, 527212), (266, 521266), (526, 263606), (532, 260633), (991, 139916), (1052, 131803), (1841, 75316), (1982, 69958), (3682, 37658), (3964, 34979), (4997, 27748), (6937, 19988), (7364, 18829), (9994, 13874)]