664806556

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{443}}^1\times {\mathrm{761}}^1$

素因数の和:1254

約数の個数: 48

約数和(自身を含む): 1278879840

約数和(自身を除く): 614073284

約数列:

[1, 2, 4, 17, 29, 34, 58, 68, 116, 443, 493, 761, 886, 986, 1522, 1772, 1972, 3044, 7531, 12847, 12937, 15062, 22069, 25694, 25874, 30124, 44138, 51388, 51748, 88276, 218399, 337123, 375173, 436798, 674246, 750346, 873596, 1348492, 1500692, 5731091, 9776567, 11462182, 19553134, 22924364, 39106268, 166201639, 332403278, 664806556]

約数ペア:

[(1, 664806556), (2, 332403278), (4, 166201639), (17, 39106268), (29, 22924364), (34, 19553134), (58, 11462182), (68, 9776567), (116, 5731091), (443, 1500692), (493, 1348492), (761, 873596), (886, 750346), (986, 674246), (1522, 436798), (1772, 375173), (1972, 337123), (3044, 218399), (7531, 88276), (12847, 51748), (12937, 51388), (15062, 44138), (22069, 30124), (25694, 25874)]