257419386

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{2043011}}^1$

素因数の和:2043026

約数の個数: 24

約数和(自身を含む): 637419744

約数和(自身を除く): 380000358

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 2043011, 4086022, 6129033, 12258066, 14301077, 18387099, 28602154, 36774198, 42903231, 85806462, 128709693, 257419386]

約数ペア:

[(1, 257419386), (2, 128709693), (3, 85806462), (6, 42903231), (7, 36774198), (9, 28602154), (14, 18387099), (18, 14301077), (21, 12258066), (42, 6129033), (63, 4086022), (126, 2043011)]