28658266

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{2971}}^1$

素因数の和:3046

約数の個数: 32

約数和(自身を含む): 53923968

約数和(自身を除く): 25265702

約数列:

[1, 2, 7, 13, 14, 26, 53, 91, 106, 182, 371, 689, 742, 1378, 2971, 4823, 5942, 9646, 20797, 38623, 41594, 77246, 157463, 270361, 314926, 540722, 1102241, 2047019, 2204482, 4094038, 14329133, 28658266]

約数ペア:

[(1, 28658266), (2, 14329133), (7, 4094038), (13, 2204482), (14, 2047019), (26, 1102241), (53, 540722), (91, 314926), (106, 270361), (182, 157463), (371, 77246), (689, 41594), (742, 38623), (1378, 20797), (2971, 9646), (4823, 5942)]