68178845

素因数分解:

$5^1\times 7^2\times {\mathrm{421}}^1\times {\mathrm{661}}^1$

素因数の和:1101

約数の個数: 24

約数和(自身を含む): 95542488

約数和(自身を除く): 27363643

約数列:

[1, 5, 7, 35, 49, 245, 421, 661, 2105, 2947, 3305, 4627, 14735, 20629, 23135, 32389, 103145, 161945, 278281, 1391405, 1947967, 9739835, 13635769, 68178845]

約数ペア:

[(1, 68178845), (5, 13635769), (7, 9739835), (35, 1947967), (49, 1391405), (245, 278281), (421, 161945), (661, 103145), (2105, 32389), (2947, 23135), (3305, 20629), (4627, 14735)]