68820164

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{21751}}^1$

素因数の和:21875

約数の個数: 24

約数和(自身を含む): 138864768

約数和(自身を除く): 70044604

約数列:

[1, 2, 4, 7, 14, 28, 113, 226, 452, 791, 1582, 3164, 21751, 43502, 87004, 152257, 304514, 609028, 2457863, 4915726, 9831452, 17205041, 34410082, 68820164]

約数ペア:

[(1, 68820164), (2, 34410082), (4, 17205041), (7, 9831452), (14, 4915726), (28, 2457863), (113, 609028), (226, 304514), (452, 152257), (791, 87004), (1582, 43502), (3164, 21751)]