28099708

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:299

約数の個数: 96

約数和(自身を含む): 67737600

約数和(自身を除く): 39637892

約数列:

[1, 2, 4, 7, 13, 14, 17, 19, 26, 28, 34, 38, 52, 68, 76, 91, 119, 133, 182, 221, 238, 239, 247, 266, 323, 364, 442, 476, 478, 494, 532, 646, 884, 956, 988, 1292, 1547, 1673, 1729, 2261, 3094, 3107, 3346, 3458, 4063, 4199, 4522, 4541, 6188, 6214, 6692, 6916, 8126, 8398, 9044, 9082, 12428, 16252, 16796, 18164, 21749, 28441, 29393, 31787, 43498, 52819, 56882, 58786, 59033, 63574, 77197, 86996, 105638, 113764, 117572, 118066, 127148, 154394, 211276, 236132, 308788, 369733, 413231, 540379, 739466, 826462, 1003561, 1080758, 1478932, 1652924, 2007122, 2161516, 4014244, 7024927, 14049854, 28099708]

約数ペア:

[(1, 28099708), (2, 14049854), (4, 7024927), (7, 4014244), (13, 2161516), (14, 2007122), (17, 1652924), (19, 1478932), (26, 1080758), (28, 1003561), (34, 826462), (38, 739466), (52, 540379), (68, 413231), (76, 369733), (91, 308788), (119, 236132), (133, 211276), (182, 154394), (221, 127148), (238, 118066), (239, 117572), (247, 113764), (266, 105638), (323, 86996), (364, 77197), (442, 63574), (476, 59033), (478, 58786), (494, 56882), (532, 52819), (646, 43498), (884, 31787), (956, 29393), (988, 28441), (1292, 21749), (1547, 18164), (1673, 16796), (1729, 16252), (2261, 12428), (3094, 9082), (3107, 9044), (3346, 8398), (3458, 8126), (4063, 6916), (4199, 6692), (4522, 6214), (4541, 6188)]