258996866

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{149}}^2\times {\mathrm{307}}^1$

素因数の和:626

約数の個数: 24

約数和(自身を含む): 413046480

約数和(自身を除く): 154049614

約数列:

[1, 2, 19, 38, 149, 298, 307, 614, 2831, 5662, 5833, 11666, 22201, 44402, 45743, 91486, 421819, 843638, 869117, 1738234, 6815707, 13631414, 129498433, 258996866]

約数ペア:

[(1, 258996866), (2, 129498433), (19, 13631414), (38, 6815707), (149, 1738234), (298, 869117), (307, 843638), (614, 421819), (2831, 91486), (5662, 45743), (5833, 44402), (11666, 22201)]