79935376

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{81901}}^1$

素因数の和:81970

約数の個数: 20

約数和(自身を含む): 157415644

約数和(自身を除く): 77480268

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 81901, 163802, 327604, 655208, 1310416, 4995961, 9991922, 19983844, 39967688, 79935376]

約数ペア:

[(1, 79935376), (2, 39967688), (4, 19983844), (8, 9991922), (16, 4995961), (61, 1310416), (122, 655208), (244, 327604), (488, 163802), (976, 81901)]