291225290

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{337}}^1\times {\mathrm{839}}^1$

素因数の和:1286

約数の個数: 32

約数和(自身を含む): 531498240

約数和(自身を除く): 240272950

約数列:

[1, 2, 5, 10, 103, 206, 337, 515, 674, 839, 1030, 1678, 1685, 3370, 4195, 8390, 34711, 69422, 86417, 172834, 173555, 282743, 347110, 432085, 565486, 864170, 1413715, 2827430, 29122529, 58245058, 145612645, 291225290]

約数ペア:

[(1, 291225290), (2, 145612645), (5, 58245058), (10, 29122529), (103, 2827430), (206, 1413715), (337, 864170), (515, 565486), (674, 432085), (839, 347110), (1030, 282743), (1678, 173555), (1685, 172834), (3370, 86417), (4195, 69422), (8390, 34711)]