68781868

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{15907}}^1$

素因数の和:15981

約数の個数: 24

約数和(自身を含む): 128282112

約数和(自身を除く): 59500244

約数列:

[1, 2, 4, 23, 46, 47, 92, 94, 188, 1081, 2162, 4324, 15907, 31814, 63628, 365861, 731722, 747629, 1463444, 1495258, 2990516, 17195467, 34390934, 68781868]

約数ペア:

[(1, 68781868), (2, 34390934), (4, 17195467), (23, 2990516), (46, 1495258), (47, 1463444), (92, 747629), (94, 731722), (188, 365861), (1081, 63628), (2162, 31814), (4324, 15907)]