290419807

素因数分解:

${\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{353}}^1$

素因数の和:487

約数の個数: 24

約数和(自身を含む): 320460624

約数和(自身を除く): 30040817

約数列:

[1, 19, 43, 53, 353, 361, 817, 1007, 2279, 6707, 15179, 15523, 18709, 19133, 43301, 127433, 288401, 355471, 804487, 822719, 5479619, 6753949, 15285253, 290419807]

約数ペア:

[(1, 290419807), (19, 15285253), (43, 6753949), (53, 5479619), (353, 822719), (361, 804487), (817, 355471), (1007, 288401), (2279, 127433), (6707, 43301), (15179, 19133), (15523, 18709)]