28207172

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1433}}^1$

素因数の和:1500

約数の個数: 48

約数和(自身を含む): 61031040

約数和(自身を除く): 32823868

約数列:

[1, 2, 4, 7, 14, 19, 28, 37, 38, 74, 76, 133, 148, 259, 266, 518, 532, 703, 1036, 1406, 1433, 2812, 2866, 4921, 5732, 9842, 10031, 19684, 20062, 27227, 40124, 53021, 54454, 106042, 108908, 190589, 212084, 371147, 381178, 742294, 762356, 1007399, 1484588, 2014798, 4029596, 7051793, 14103586, 28207172]

約数ペア:

[(1, 28207172), (2, 14103586), (4, 7051793), (7, 4029596), (14, 2014798), (19, 1484588), (28, 1007399), (37, 762356), (38, 742294), (74, 381178), (76, 371147), (133, 212084), (148, 190589), (259, 108908), (266, 106042), (518, 54454), (532, 53021), (703, 40124), (1036, 27227), (1406, 20062), (1433, 19684), (2812, 10031), (2866, 9842), (4921, 5732)]