51308816

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{12983}}^1$

素因数の和:13023

約数の個数: 40

約数和(自身を含む): 112701120

約数和(自身を除く): 61392304

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 12983, 25966, 51932, 103864, 168779, 207728, 246677, 337558, 493354, 675116, 986708, 1350232, 1973416, 2700464, 3206801, 3946832, 6413602, 12827204, 25654408, 51308816]

約数ペア:

[(1, 51308816), (2, 25654408), (4, 12827204), (8, 6413602), (13, 3946832), (16, 3206801), (19, 2700464), (26, 1973416), (38, 1350232), (52, 986708), (76, 675116), (104, 493354), (152, 337558), (208, 246677), (247, 207728), (304, 168779), (494, 103864), (988, 51932), (1976, 25966), (3952, 12983)]