28721418

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{47}}^2\times {\mathrm{197}}^1$

素因数の和:307

約数の個数: 48

約数和(自身を含む): 64351584

約数和(自身を除く): 35630166

約数列:

[1, 2, 3, 6, 11, 22, 33, 47, 66, 94, 141, 197, 282, 394, 517, 591, 1034, 1182, 1551, 2167, 2209, 3102, 4334, 4418, 6501, 6627, 9259, 13002, 13254, 18518, 24299, 27777, 48598, 55554, 72897, 101849, 145794, 203698, 305547, 435173, 611094, 870346, 1305519, 2611038, 4786903, 9573806, 14360709, 28721418]

約数ペア:

[(1, 28721418), (2, 14360709), (3, 9573806), (6, 4786903), (11, 2611038), (22, 1305519), (33, 870346), (47, 611094), (66, 435173), (94, 305547), (141, 203698), (197, 145794), (282, 101849), (394, 72897), (517, 55554), (591, 48598), (1034, 27777), (1182, 24299), (1551, 18518), (2167, 13254), (2209, 13002), (3102, 9259), (4334, 6627), (4418, 6501)]