28626728

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{673}}^1$

素因数の和:1101

約数の個数: 32

約数和(自身を含む): 58031400

約数和(自身を除く): 29404672

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 409, 673, 818, 1346, 1636, 2692, 3272, 5317, 5384, 8749, 10634, 17498, 21268, 34996, 42536, 69992, 275257, 550514, 1101028, 2202056, 3578341, 7156682, 14313364, 28626728]

約数ペア:

[(1, 28626728), (2, 14313364), (4, 7156682), (8, 3578341), (13, 2202056), (26, 1101028), (52, 550514), (104, 275257), (409, 69992), (673, 42536), (818, 34996), (1346, 21268), (1636, 17498), (2692, 10634), (3272, 8749), (5317, 5384)]