71217244

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{263}}^1\times {\mathrm{509}}^1$

素因数の和:802

約数の個数: 48

約数和(自身を含む): 150796800

約数和(自身を除く): 79579556

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 263, 266, 509, 526, 532, 1018, 1052, 1841, 2036, 3563, 3682, 4997, 7126, 7364, 9671, 9994, 14252, 19342, 19988, 34979, 38684, 67697, 69958, 133867, 135394, 139916, 267734, 270788, 535468, 937069, 1874138, 2543473, 3748276, 5086946, 10173892, 17804311, 35608622, 71217244]

約数ペア:

[(1, 71217244), (2, 35608622), (4, 17804311), (7, 10173892), (14, 5086946), (19, 3748276), (28, 2543473), (38, 1874138), (76, 937069), (133, 535468), (263, 270788), (266, 267734), (509, 139916), (526, 135394), (532, 133867), (1018, 69958), (1052, 67697), (1841, 38684), (2036, 34979), (3563, 19988), (3682, 19342), (4997, 14252), (7126, 9994), (7364, 9671)]