261125462

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{2551}}^1$

素因数の和:2724

約数の個数: 32

約数和(自身を含む): 439025664

約数和(自身を除く): 177900202

約数列:

[1, 2, 13, 26, 31, 62, 127, 254, 403, 806, 1651, 2551, 3302, 3937, 5102, 7874, 33163, 51181, 66326, 79081, 102362, 158162, 323977, 647954, 1028053, 2056106, 4211701, 8423402, 10043287, 20086574, 130562731, 261125462]

約数ペア:

[(1, 261125462), (2, 130562731), (13, 20086574), (26, 10043287), (31, 8423402), (62, 4211701), (127, 2056106), (254, 1028053), (403, 647954), (806, 323977), (1651, 158162), (2551, 102362), (3302, 79081), (3937, 66326), (5102, 51181), (7874, 33163)]