217802928

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{313}}^1$

素因数の和:459

約数の個数: 160

約数和(自身を含む): 685273600

約数和(自身を除く): 467470672

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 38, 42, 48, 56, 57, 76, 84, 109, 112, 114, 133, 152, 168, 218, 228, 266, 304, 313, 327, 336, 399, 436, 456, 532, 626, 654, 763, 798, 872, 912, 939, 1064, 1252, 1308, 1526, 1596, 1744, 1878, 2071, 2128, 2191, 2289, 2504, 2616, 3052, 3192, 3756, 4142, 4382, 4578, 5008, 5232, 5947, 6104, 6213, 6384, 6573, 7512, 8284, 8764, 9156, 11894, 12208, 12426, 13146, 14497, 15024, 16568, 17528, 17841, 18312, 23788, 24852, 26292, 28994, 33136, 34117, 35056, 35682, 36624, 41629, 43491, 47576, 49704, 52584, 57988, 68234, 71364, 83258, 86982, 95152, 99408, 102351, 105168, 115976, 124887, 136468, 142728, 166516, 173964, 204702, 231952, 238819, 249774, 272936, 285456, 333032, 347928, 409404, 477638, 499548, 545872, 648223, 666064, 695856, 716457, 818808, 955276, 999096, 1296446, 1432914, 1637616, 1910552, 1944669, 1998192, 2592892, 2865828, 3821104, 3889338, 4537561, 5185784, 5731656, 7778676, 9075122, 10371568, 11463312, 13612683, 15557352, 18150244, 27225366, 31114704, 36300488, 54450732, 72600976, 108901464, 217802928]

約数ペア:

[(1, 217802928), (2, 108901464), (3, 72600976), (4, 54450732), (6, 36300488), (7, 31114704), (8, 27225366), (12, 18150244), (14, 15557352), (16, 13612683), (19, 11463312), (21, 10371568), (24, 9075122), (28, 7778676), (38, 5731656), (42, 5185784), (48, 4537561), (56, 3889338), (57, 3821104), (76, 2865828), (84, 2592892), (109, 1998192), (112, 1944669), (114, 1910552), (133, 1637616), (152, 1432914), (168, 1296446), (218, 999096), (228, 955276), (266, 818808), (304, 716457), (313, 695856), (327, 666064), (336, 648223), (399, 545872), (436, 499548), (456, 477638), (532, 409404), (626, 347928), (654, 333032), (763, 285456), (798, 272936), (872, 249774), (912, 238819), (939, 231952), (1064, 204702), (1252, 173964), (1308, 166516), (1526, 142728), (1596, 136468), (1744, 124887), (1878, 115976), (2071, 105168), (2128, 102351), (2191, 99408), (2289, 95152), (2504, 86982), (2616, 83258), (3052, 71364), (3192, 68234), (3756, 57988), (4142, 52584), (4382, 49704), (4578, 47576), (5008, 43491), (5232, 41629), (5947, 36624), (6104, 35682), (6213, 35056), (6384, 34117), (6573, 33136), (7512, 28994), (8284, 26292), (8764, 24852), (9156, 23788), (11894, 18312), (12208, 17841), (12426, 17528), (13146, 16568), (14497, 15024)]