28199988

素因数分解:

$2^2\times 3^4\times {\mathrm{87037}}^1$

素因数の和:87053

約数の個数: 30

約数和(自身を含む): 73721186

約数和(自身を除く): 45521198

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 87037, 174074, 261111, 348148, 522222, 783333, 1044444, 1566666, 2349999, 3133332, 4699998, 7049997, 9399996, 14099994, 28199988]

約数ペア:

[(1, 28199988), (2, 14099994), (3, 9399996), (4, 7049997), (6, 4699998), (9, 3133332), (12, 2349999), (18, 1566666), (27, 1044444), (36, 783333), (54, 522222), (81, 348148), (108, 261111), (162, 174074), (324, 87037)]