28248350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{3343}}^1$

素因数の和:3381

約数の個数: 36

約数和(自身を含む): 56911536

約数和(自身を除く): 28663186

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 169, 325, 338, 650, 845, 1690, 3343, 4225, 6686, 8450, 16715, 33430, 43459, 83575, 86918, 167150, 217295, 434590, 564967, 1086475, 1129934, 2172950, 2824835, 5649670, 14124175, 28248350]

約数ペア:

[(1, 28248350), (2, 14124175), (5, 5649670), (10, 2824835), (13, 2172950), (25, 1129934), (26, 1086475), (50, 564967), (65, 434590), (130, 217295), (169, 167150), (325, 86918), (338, 83575), (650, 43459), (845, 33430), (1690, 16715), (3343, 8450), (4225, 6686)]