8472438

素因数分解:

$2^1\times 3^7\times {\mathrm{13}}^1\times {\mathrm{149}}^1$

素因数の和:185

約数の個数: 64

約数和(自身を含む): 20664000

約数和(自身を除く): 12191562

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 81, 117, 149, 162, 234, 243, 298, 351, 447, 486, 702, 729, 894, 1053, 1341, 1458, 1937, 2106, 2187, 2682, 3159, 3874, 4023, 4374, 5811, 6318, 8046, 9477, 11622, 12069, 17433, 18954, 24138, 28431, 34866, 36207, 52299, 56862, 72414, 104598, 108621, 156897, 217242, 313794, 325863, 470691, 651726, 941382, 1412073, 2824146, 4236219, 8472438]

約数ペア:

[(1, 8472438), (2, 4236219), (3, 2824146), (6, 1412073), (9, 941382), (13, 651726), (18, 470691), (26, 325863), (27, 313794), (39, 217242), (54, 156897), (78, 108621), (81, 104598), (117, 72414), (149, 56862), (162, 52299), (234, 36207), (243, 34866), (298, 28431), (351, 24138), (447, 18954), (486, 17433), (702, 12069), (729, 11622), (894, 9477), (1053, 8046), (1341, 6318), (1458, 5811), (1937, 4374), (2106, 4023), (2187, 3874), (2682, 3159)]