201920446

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{571}}^1$

素因数の和:689

約数の個数: 64

約数和(自身を含む): 392071680

約数和(自身を除く): 190151234

約数列:

[1, 2, 7, 13, 14, 26, 29, 58, 67, 91, 134, 182, 203, 377, 406, 469, 571, 754, 871, 938, 1142, 1742, 1943, 2639, 3886, 3997, 5278, 6097, 7423, 7994, 12194, 13601, 14846, 16559, 25259, 27202, 33118, 38257, 50518, 51961, 76514, 103922, 115913, 176813, 215267, 231826, 267799, 353626, 430534, 497341, 535598, 994682, 1109453, 1506869, 2218906, 3013738, 3481387, 6962774, 7766171, 14422889, 15532342, 28845778, 100960223, 201920446]

約数ペア:

[(1, 201920446), (2, 100960223), (7, 28845778), (13, 15532342), (14, 14422889), (26, 7766171), (29, 6962774), (58, 3481387), (67, 3013738), (91, 2218906), (134, 1506869), (182, 1109453), (203, 994682), (377, 535598), (406, 497341), (469, 430534), (571, 353626), (754, 267799), (871, 231826), (938, 215267), (1142, 176813), (1742, 115913), (1943, 103922), (2639, 76514), (3886, 51961), (3997, 50518), (5278, 38257), (6097, 33118), (7423, 27202), (7994, 25259), (12194, 16559), (13601, 14846)]