28785064

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{563}}^1$

素因数の和:670

約数の個数: 64

約数和(自身を含む): 68221440

約数和(自身を除く): 39436376

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 83, 88, 154, 166, 308, 332, 563, 581, 616, 664, 913, 1126, 1162, 1826, 2252, 2324, 3652, 3941, 4504, 4648, 6193, 6391, 7304, 7882, 12386, 12782, 15764, 24772, 25564, 31528, 43351, 46729, 49544, 51128, 86702, 93458, 173404, 186916, 327103, 346808, 373832, 514019, 654206, 1028038, 1308412, 2056076, 2616824, 3598133, 4112152, 7196266, 14392532, 28785064]

約数ペア:

[(1, 28785064), (2, 14392532), (4, 7196266), (7, 4112152), (8, 3598133), (11, 2616824), (14, 2056076), (22, 1308412), (28, 1028038), (44, 654206), (56, 514019), (77, 373832), (83, 346808), (88, 327103), (154, 186916), (166, 173404), (308, 93458), (332, 86702), (563, 51128), (581, 49544), (616, 46729), (664, 43351), (913, 31528), (1126, 25564), (1162, 24772), (1826, 15764), (2252, 12782), (2324, 12386), (3652, 7882), (3941, 7304), (4504, 6391), (4648, 6193)]