28005904

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{76103}}^1$

素因数の和:76134

約数の個数: 20

約数和(自身を含む): 56621376

約数和(自身を除く): 28615472

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 76103, 152206, 304412, 608824, 1217648, 1750369, 3500738, 7001476, 14002952, 28005904]

約数ペア:

[(1, 28005904), (2, 14002952), (4, 7001476), (8, 3500738), (16, 1750369), (23, 1217648), (46, 608824), (92, 304412), (184, 152206), (368, 76103)]