321650874

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{389}}^1\times {\mathrm{647}}^1$

素因数の和:1115

約数の個数: 48

約数和(自身を含む): 709637760

約数和(自身を除く): 387986886

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 389, 426, 639, 647, 778, 1167, 1278, 1294, 1941, 2334, 3501, 3882, 5823, 7002, 11646, 27619, 45937, 55238, 82857, 91874, 137811, 165714, 248571, 251683, 275622, 413433, 497142, 503366, 755049, 826866, 1510098, 2265147, 4530294, 17869493, 35738986, 53608479, 107216958, 160825437, 321650874]

約数ペア:

[(1, 321650874), (2, 160825437), (3, 107216958), (6, 53608479), (9, 35738986), (18, 17869493), (71, 4530294), (142, 2265147), (213, 1510098), (389, 826866), (426, 755049), (639, 503366), (647, 497142), (778, 413433), (1167, 275622), (1278, 251683), (1294, 248571), (1941, 165714), (2334, 137811), (3501, 91874), (3882, 82857), (5823, 55238), (7002, 45937), (11646, 27619)]