217998784

素因数分解:

$2^6\times {\mathrm{23}}^2\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:242

約数の個数: 84

約数和(自身を含む): 465210144

約数和(自身を除く): 247211360

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 47, 64, 92, 94, 137, 184, 188, 274, 368, 376, 529, 548, 736, 752, 1058, 1081, 1096, 1472, 1504, 2116, 2162, 2192, 3008, 3151, 4232, 4324, 4384, 6302, 6439, 8464, 8648, 8768, 12604, 12878, 16928, 17296, 24863, 25208, 25756, 33856, 34592, 49726, 50416, 51512, 69184, 72473, 99452, 100832, 103024, 144946, 148097, 198904, 201664, 206048, 289892, 296194, 397808, 412096, 579784, 592388, 795616, 1159568, 1184776, 1591232, 2319136, 2369552, 3406231, 4638272, 4739104, 6812462, 9478208, 13624924, 27249848, 54499696, 108999392, 217998784]

約数ペア:

[(1, 217998784), (2, 108999392), (4, 54499696), (8, 27249848), (16, 13624924), (23, 9478208), (32, 6812462), (46, 4739104), (47, 4638272), (64, 3406231), (92, 2369552), (94, 2319136), (137, 1591232), (184, 1184776), (188, 1159568), (274, 795616), (368, 592388), (376, 579784), (529, 412096), (548, 397808), (736, 296194), (752, 289892), (1058, 206048), (1081, 201664), (1096, 198904), (1472, 148097), (1504, 144946), (2116, 103024), (2162, 100832), (2192, 99452), (3008, 72473), (3151, 69184), (4232, 51512), (4324, 50416), (4384, 49726), (6302, 34592), (6439, 33856), (8464, 25756), (8648, 25208), (8768, 24863), (12604, 17296), (12878, 16928)]