389988

素因数分解:

$2^2\times 3^3\times {\mathrm{23}}^1\times {\mathrm{157}}^1$

素因数の和:193

約数の個数: 48

約数和(自身を含む): 1061760

約数和(自身を除く): 671772

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 92, 108, 138, 157, 207, 276, 314, 414, 471, 621, 628, 828, 942, 1242, 1413, 1884, 2484, 2826, 3611, 4239, 5652, 7222, 8478, 10833, 14444, 16956, 21666, 32499, 43332, 64998, 97497, 129996, 194994, 389988]

約数ペア:

[(1, 389988), (2, 194994), (3, 129996), (4, 97497), (6, 64998), (9, 43332), (12, 32499), (18, 21666), (23, 16956), (27, 14444), (36, 10833), (46, 8478), (54, 7222), (69, 5652), (92, 4239), (108, 3611), (138, 2826), (157, 2484), (207, 1884), (276, 1413), (314, 1242), (414, 942), (471, 828), (621, 628)]