28513628

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{631}}^1$

素因数の和:738

約数の個数: 48

約数和(自身を含む): 59458560

約数和(自身を除く): 30944932

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 79, 143, 158, 286, 316, 572, 631, 869, 1027, 1262, 1738, 2054, 2524, 3476, 4108, 6941, 8203, 11297, 13882, 16406, 22594, 27764, 32812, 45188, 49849, 90233, 99698, 180466, 199396, 360932, 548339, 648037, 1096678, 1296074, 2193356, 2592148, 7128407, 14256814, 28513628]

約数ペア:

[(1, 28513628), (2, 14256814), (4, 7128407), (11, 2592148), (13, 2193356), (22, 1296074), (26, 1096678), (44, 648037), (52, 548339), (79, 360932), (143, 199396), (158, 180466), (286, 99698), (316, 90233), (572, 49849), (631, 45188), (869, 32812), (1027, 27764), (1262, 22594), (1738, 16406), (2054, 13882), (2524, 11297), (3476, 8203), (4108, 6941)]