28130168

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{373}}^1\times {\mathrm{857}}^1$

素因数の和:1247

約数の個数: 32

約数和(自身を含む): 57760560

約数和(自身を除く): 29630392

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 373, 746, 857, 1492, 1714, 2984, 3428, 4103, 6856, 8206, 9427, 16412, 18854, 32824, 37708, 75416, 319661, 639322, 1278644, 2557288, 3516271, 7032542, 14065084, 28130168]

約数ペア:

[(1, 28130168), (2, 14065084), (4, 7032542), (8, 3516271), (11, 2557288), (22, 1278644), (44, 639322), (88, 319661), (373, 75416), (746, 37708), (857, 32824), (1492, 18854), (1714, 16412), (2984, 9427), (3428, 8206), (4103, 6856)]