28398928

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{77171}}^1$

素因数の和:77202

約数の個数: 20

約数和(自身を含む): 57415968

約数和(自身を除く): 29017040

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 77171, 154342, 308684, 617368, 1234736, 1774933, 3549866, 7099732, 14199464, 28398928]

約数ペア:

[(1, 28398928), (2, 14199464), (4, 7099732), (8, 3549866), (16, 1774933), (23, 1234736), (46, 617368), (92, 308684), (184, 154342), (368, 77171)]