256636403710

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{249161557}}^1$

素因数の和:249161667

約数の個数: 16

約数和(自身を含む): 466430436576

約数和(自身を除く): 209794032866

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 249161557, 498323114, 1245807785, 2491615570, 25663640371, 51327280742, 128318201855, 256636403710]

約数ペア:

[(1, 256636403710), (2, 128318201855), (5, 51327280742), (10, 25663640371), (103, 2491615570), (206, 1245807785), (515, 498323114), (1030, 249161557)]