64716964

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2113}}^1$

素因数の和:2180

約数の個数: 48

約数和(自身を含む): 132590080

約数和(自身を除く): 67873116

約数列:

[1, 2, 4, 13, 19, 26, 31, 38, 52, 62, 76, 124, 247, 403, 494, 589, 806, 988, 1178, 1612, 2113, 2356, 4226, 7657, 8452, 15314, 27469, 30628, 40147, 54938, 65503, 80294, 109876, 131006, 160588, 262012, 521911, 851539, 1043822, 1244557, 1703078, 2087644, 2489114, 3406156, 4978228, 16179241, 32358482, 64716964]

約数ペア:

[(1, 64716964), (2, 32358482), (4, 16179241), (13, 4978228), (19, 3406156), (26, 2489114), (31, 2087644), (38, 1703078), (52, 1244557), (62, 1043822), (76, 851539), (124, 521911), (247, 262012), (403, 160588), (494, 131006), (589, 109876), (806, 80294), (988, 65503), (1178, 54938), (1612, 40147), (2113, 30628), (2356, 27469), (4226, 15314), (7657, 8452)]