78039556

素因数分解:

$2^2\times 7^2\times {\mathrm{631}}^2$

素因数の和:1280

約数の個数: 27

約数和(自身を含む): 159118407

約数和(自身を除く): 81078851

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 631, 1262, 2524, 4417, 8834, 17668, 30919, 61838, 123676, 398161, 796322, 1592644, 2787127, 5574254, 11148508, 19509889, 39019778, 78039556]

約数ペア:

[(1, 78039556), (2, 39019778), (4, 19509889), (7, 11148508), (14, 5574254), (28, 2787127), (49, 1592644), (98, 796322), (196, 398161), (631, 123676), (1262, 61838), (2524, 30919), (4417, 17668)]