138431256

素因数分解:

$2^3\times 3^1\times {\mathrm{71}}^1\times {\mathrm{81239}}^1$

素因数の和:81319

約数の個数: 32

約数和(自身を含む): 350956800

約数和(自身を除く): 212525544

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 71, 142, 213, 284, 426, 568, 852, 1704, 81239, 162478, 243717, 324956, 487434, 649912, 974868, 1949736, 5767969, 11535938, 17303907, 23071876, 34607814, 46143752, 69215628, 138431256]

約数ペア:

[(1, 138431256), (2, 69215628), (3, 46143752), (4, 34607814), (6, 23071876), (8, 17303907), (12, 11535938), (24, 5767969), (71, 1949736), (142, 974868), (213, 649912), (284, 487434), (426, 324956), (568, 243717), (852, 162478), (1704, 81239)]