1397564

素因数分解:

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

素因数の和:138

約数の個数: 48

約数和(自身を含む): 3064320

約数和(自身を除く): 1666756

約数列:

[1, 2, 4, 7, 14, 19, 28, 37, 38, 71, 74, 76, 133, 142, 148, 259, 266, 284, 497, 518, 532, 703, 994, 1036, 1349, 1406, 1988, 2627, 2698, 2812, 4921, 5254, 5396, 9443, 9842, 10508, 18389, 18886, 19684, 36778, 37772, 49913, 73556, 99826, 199652, 349391, 698782, 1397564]

約数ペア:

[(1, 1397564), (2, 698782), (4, 349391), (7, 199652), (14, 99826), (19, 73556), (28, 49913), (37, 37772), (38, 36778), (71, 19684), (74, 18886), (76, 18389), (133, 10508), (142, 9842), (148, 9443), (259, 5396), (266, 5254), (284, 4921), (497, 2812), (518, 2698), (532, 2627), (703, 1988), (994, 1406), (1036, 1349)]