63981820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{457013}}^1$

素因数の和:457029

約数の個数: 24

約数和(自身を含む): 153556704

約数和(自身を除く): 89574884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 457013, 914026, 1828052, 2285065, 3199091, 4570130, 6398182, 9140260, 12796364, 15995455, 31990910, 63981820]

約数ペア:

[(1, 63981820), (2, 31990910), (4, 15995455), (5, 12796364), (7, 9140260), (10, 6398182), (14, 4570130), (20, 3199091), (28, 2285065), (35, 1828052), (70, 914026), (140, 457013)]