217661328

素因数分解:

$2^4\times 3^2\times {\mathrm{23}}^1\times {\mathrm{65719}}^1$

素因数の和:65756

約数の個数: 60

約数和(自身を含む): 635643840

約数和(自身を除く): 417982512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 36, 46, 48, 69, 72, 92, 138, 144, 184, 207, 276, 368, 414, 552, 828, 1104, 1656, 3312, 65719, 131438, 197157, 262876, 394314, 525752, 591471, 788628, 1051504, 1182942, 1511537, 1577256, 2365884, 3023074, 3154512, 4534611, 4731768, 6046148, 9069222, 9463536, 12092296, 13603833, 18138444, 24184592, 27207666, 36276888, 54415332, 72553776, 108830664, 217661328]

約数ペア:

[(1, 217661328), (2, 108830664), (3, 72553776), (4, 54415332), (6, 36276888), (8, 27207666), (9, 24184592), (12, 18138444), (16, 13603833), (18, 12092296), (23, 9463536), (24, 9069222), (36, 6046148), (46, 4731768), (48, 4534611), (69, 3154512), (72, 3023074), (92, 2365884), (138, 1577256), (144, 1511537), (184, 1182942), (207, 1051504), (276, 788628), (368, 591471), (414, 525752), (552, 394314), (828, 262876), (1104, 197157), (1656, 131438), (3312, 65719)]