257702973

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1\times {\mathrm{1237}}^1$

素因数の和:1417

約数の個数: 32

約数和(自身を含む): 385067520

約数和(自身を除く): 127364547

約数列:

[1, 3, 11, 33, 59, 107, 177, 321, 649, 1177, 1237, 1947, 3531, 3711, 6313, 13607, 18939, 40821, 69443, 72983, 132359, 208329, 218949, 397077, 802813, 1455949, 2408439, 4367847, 7809181, 23427543, 85900991, 257702973]

約数ペア:

[(1, 257702973), (3, 85900991), (11, 23427543), (33, 7809181), (59, 4367847), (107, 2408439), (177, 1455949), (321, 802813), (649, 397077), (1177, 218949), (1237, 208329), (1947, 132359), (3531, 72983), (3711, 69443), (6313, 40821), (13607, 18939)]