78465212

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{1777}}^1$

素因数の和:1890

約数の個数: 48

約数和(自身を含む): 167274240

約数和(自身を除く): 88809028

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 83, 133, 166, 266, 332, 532, 581, 1162, 1577, 1777, 2324, 3154, 3554, 6308, 7108, 11039, 12439, 22078, 24878, 33763, 44156, 49756, 67526, 135052, 147491, 236341, 294982, 472682, 589964, 945364, 1032437, 2064874, 2802329, 4129748, 5604658, 11209316, 19616303, 39232606, 78465212]

約数ペア:

[(1, 78465212), (2, 39232606), (4, 19616303), (7, 11209316), (14, 5604658), (19, 4129748), (28, 2802329), (38, 2064874), (76, 1032437), (83, 945364), (133, 589964), (166, 472682), (266, 294982), (332, 236341), (532, 147491), (581, 135052), (1162, 67526), (1577, 49756), (1777, 44156), (2324, 33763), (3154, 24878), (3554, 22078), (6308, 12439), (7108, 11039)]