78640012

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{863}}^1$

素因数の和:1006

約数の個数: 48

約数和(自身を含む): 159667200

約数和(自身を除く): 81027188

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 109, 209, 218, 418, 436, 836, 863, 1199, 1726, 2071, 2398, 3452, 4142, 4796, 8284, 9493, 16397, 18986, 22781, 32794, 37972, 45562, 65588, 91124, 94067, 180367, 188134, 360734, 376268, 721468, 1034737, 1787273, 2069474, 3574546, 4138948, 7149092, 19660003, 39320006, 78640012]

約数ペア:

[(1, 78640012), (2, 39320006), (4, 19660003), (11, 7149092), (19, 4138948), (22, 3574546), (38, 2069474), (44, 1787273), (76, 1034737), (109, 721468), (209, 376268), (218, 360734), (418, 188134), (436, 180367), (836, 94067), (863, 91124), (1199, 65588), (1726, 45562), (2071, 37972), (2398, 32794), (3452, 22781), (4142, 18986), (4796, 16397), (8284, 9493)]