42505001

素因数分解:

$7^2\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:210

約数の個数: 36

約数和(自身を含む): 55674864

約数和(自身を除く): 13169863

約数列:

[1, 7, 11, 49, 67, 77, 107, 121, 469, 539, 737, 749, 847, 1177, 3283, 5159, 5243, 5929, 7169, 8107, 8239, 12947, 36113, 50183, 56749, 57673, 78859, 90629, 351281, 397243, 552013, 634403, 867449, 3864091, 6072143, 42505001]

約数ペア:

[(1, 42505001), (7, 6072143), (11, 3864091), (49, 867449), (67, 634403), (77, 552013), (107, 397243), (121, 351281), (469, 90629), (539, 78859), (737, 57673), (749, 56749), (847, 50183), (1177, 36113), (3283, 12947), (5159, 8239), (5243, 8107), (5929, 7169)]