53288890

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1\times {\mathrm{401}}^1$

素因数の和:642

約数の個数: 32

約数和(自身を含む): 97859664

約数和(自身を除く): 44570774

約数列:

[1, 2, 5, 10, 97, 137, 194, 274, 401, 485, 685, 802, 970, 1370, 2005, 4010, 13289, 26578, 38897, 54937, 66445, 77794, 109874, 132890, 194485, 274685, 388970, 549370, 5328889, 10657778, 26644445, 53288890]

約数ペア:

[(1, 53288890), (2, 26644445), (5, 10657778), (10, 5328889), (97, 549370), (137, 388970), (194, 274685), (274, 194485), (401, 132890), (485, 109874), (685, 77794), (802, 66445), (970, 54937), (1370, 38897), (2005, 26578), (4010, 13289)]