246921745

素因数分解:

$5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{257}}^1\times {\mathrm{283}}^1$

素因数の和:649

約数の個数: 32

約数和(自身を含む): 344671488

約数和(自身を除く): 97749743

約数列:

[1, 5, 7, 35, 97, 257, 283, 485, 679, 1285, 1415, 1799, 1981, 3395, 8995, 9905, 24929, 27451, 72731, 124645, 137255, 174503, 192157, 363655, 509117, 872515, 960785, 2545585, 7054907, 35274535, 49384349, 246921745]

約数ペア:

[(1, 246921745), (5, 49384349), (7, 35274535), (35, 7054907), (97, 2545585), (257, 960785), (283, 872515), (485, 509117), (679, 363655), (1285, 192157), (1415, 174503), (1799, 137255), (1981, 124645), (3395, 72731), (8995, 27451), (9905, 24929)]