31626595

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:196

約数の個数: 64

約数和(自身を含む): 52254720

約数和(自身を除く): 20628125

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 71, 77, 89, 91, 143, 355, 385, 445, 455, 497, 623, 715, 781, 923, 979, 1001, 1157, 2485, 3115, 3905, 4615, 4895, 5005, 5467, 5785, 6319, 6461, 6853, 8099, 10153, 12727, 27335, 31595, 32305, 34265, 40495, 44233, 50765, 63635, 69509, 71071, 82147, 89089, 221165, 347545, 355355, 410735, 445445, 486563, 575029, 903617, 2432815, 2875145, 4518085, 6325319, 31626595]

約数ペア:

[(1, 31626595), (5, 6325319), (7, 4518085), (11, 2875145), (13, 2432815), (35, 903617), (55, 575029), (65, 486563), (71, 445445), (77, 410735), (89, 355355), (91, 347545), (143, 221165), (355, 89089), (385, 82147), (445, 71071), (455, 69509), (497, 63635), (623, 50765), (715, 44233), (781, 40495), (923, 34265), (979, 32305), (1001, 31595), (1157, 27335), (2485, 12727), (3115, 10153), (3905, 8099), (4615, 6853), (4895, 6461), (5005, 6319), (5467, 5785)]