4891474

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:143

約数の個数: 48

約数和(自身を含む): 9357120

約数和(自身を除く): 4465646

約数列:

[1, 2, 7, 14, 19, 37, 38, 49, 71, 74, 98, 133, 142, 259, 266, 497, 518, 703, 931, 994, 1349, 1406, 1813, 1862, 2627, 2698, 3479, 3626, 4921, 5254, 6958, 9443, 9842, 18389, 18886, 34447, 36778, 49913, 66101, 68894, 99826, 128723, 132202, 257446, 349391, 698782, 2445737, 4891474]

約数ペア:

[(1, 4891474), (2, 2445737), (7, 698782), (14, 349391), (19, 257446), (37, 132202), (38, 128723), (49, 99826), (71, 68894), (74, 66101), (98, 49913), (133, 36778), (142, 34447), (259, 18886), (266, 18389), (497, 9842), (518, 9443), (703, 6958), (931, 5254), (994, 4921), (1349, 3626), (1406, 3479), (1813, 2698), (1862, 2627)]