66881780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{477727}}^1$

素因数の和:477743

約数の個数: 24

約数和(自身を含む): 160516608

約数和(自身を除く): 93634828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 477727, 955454, 1910908, 2388635, 3344089, 4777270, 6688178, 9554540, 13376356, 16720445, 33440890, 66881780]

約数ペア:

[(1, 66881780), (2, 33440890), (4, 16720445), (5, 13376356), (7, 9554540), (10, 6688178), (14, 4777270), (20, 3344089), (28, 2388635), (35, 1910908), (70, 955454), (140, 477727)]