128880388

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{50581}}^1$

素因数の和:50612

約数の個数: 36

約数和(自身を含む): 282551052

約数和(自身を除く): 153670664

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 50581, 101162, 202324, 354067, 657553, 708134, 1315106, 1416268, 2478469, 2630212, 4602871, 4956938, 9205742, 9913876, 18411484, 32220097, 64440194, 128880388]

約数ペア:

[(1, 128880388), (2, 64440194), (4, 32220097), (7, 18411484), (13, 9913876), (14, 9205742), (26, 4956938), (28, 4602871), (49, 2630212), (52, 2478469), (91, 1416268), (98, 1315106), (182, 708134), (196, 657553), (364, 354067), (637, 202324), (1274, 101162), (2548, 50581)]