205651855

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{283}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 265006080

約数和(自身を除く): 59354225

約数列:

[1, 5, 23, 71, 89, 115, 283, 355, 445, 1415, 1633, 2047, 6319, 6509, 8165, 10235, 20093, 25187, 31595, 32545, 100465, 125935, 145337, 462139, 579301, 726685, 1788277, 2310695, 2896505, 8941385, 41130371, 205651855]

約数ペア:

[(1, 205651855), (5, 41130371), (23, 8941385), (71, 2896505), (89, 2310695), (115, 1788277), (283, 726685), (355, 579301), (445, 462139), (1415, 145337), (1633, 125935), (2047, 100465), (6319, 32545), (6509, 31595), (8165, 25187), (10235, 20093)]