138789028

素因数分解:

$2^2\times 7^1\times {\mathrm{911}}^1\times {\mathrm{5441}}^1$

素因数の和:6363

約数の個数: 24

約数和(自身を含む): 277933824

約数和(自身を除く): 139144796

約数列:

[1, 2, 4, 7, 14, 28, 911, 1822, 3644, 5441, 6377, 10882, 12754, 21764, 25508, 38087, 76174, 152348, 4956751, 9913502, 19827004, 34697257, 69394514, 138789028]

約数ペア:

[(1, 138789028), (2, 69394514), (4, 34697257), (7, 19827004), (14, 9913502), (28, 4956751), (911, 152348), (1822, 76174), (3644, 38087), (5441, 25508), (6377, 21764), (10882, 12754)]