728328601

素因数分解:

$7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1$

素因数の和:555

約数の個数: 64

約数和(自身を含む): 1032192000

約数和(自身を除く): 303863399

約数列:

[1, 7, 11, 13, 31, 49, 77, 91, 143, 217, 341, 343, 403, 479, 539, 637, 1001, 1519, 2387, 2821, 3353, 3773, 4433, 4459, 5269, 6227, 7007, 10633, 14849, 16709, 19747, 23471, 31031, 36883, 43589, 49049, 68497, 103943, 116963, 138229, 163339, 164297, 193037, 217217, 258181, 305123, 479479, 727601, 1143373, 1351259, 1520519, 1807267, 2123407, 2135861, 3356353, 5093207, 8003611, 9458813, 14863849, 23494471, 56025277, 66211691, 104046943, 728328601]

約数ペア:

[(1, 728328601), (7, 104046943), (11, 66211691), (13, 56025277), (31, 23494471), (49, 14863849), (77, 9458813), (91, 8003611), (143, 5093207), (217, 3356353), (341, 2135861), (343, 2123407), (403, 1807267), (479, 1520519), (539, 1351259), (637, 1143373), (1001, 727601), (1519, 479479), (2387, 305123), (2821, 258181), (3353, 217217), (3773, 193037), (4433, 164297), (4459, 163339), (5269, 138229), (6227, 116963), (7007, 103943), (10633, 68497), (14849, 49049), (16709, 43589), (19747, 36883), (23471, 31031)]