28256982

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{5407}}^1$

素因数の和:5492

約数の個数: 32

約数和(自身を含む): 61780992

約数和(自身を除く): 33524010

約数列:

[1, 2, 3, 6, 13, 26, 39, 67, 78, 134, 201, 402, 871, 1742, 2613, 5226, 5407, 10814, 16221, 32442, 70291, 140582, 210873, 362269, 421746, 724538, 1086807, 2173614, 4709497, 9418994, 14128491, 28256982]

約数ペア:

[(1, 28256982), (2, 14128491), (3, 9418994), (6, 4709497), (13, 2173614), (26, 1086807), (39, 724538), (67, 421746), (78, 362269), (134, 210873), (201, 140582), (402, 70291), (871, 32442), (1742, 16221), (2613, 10814), (5226, 5407)]