1333648

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1$

素因数の和:175

約数の個数: 40

約数和(自身を含む): 2812320

約数和(自身を除く): 1478672

約数列:

[1, 2, 4, 8, 16, 19, 38, 41, 76, 82, 107, 152, 164, 214, 304, 328, 428, 656, 779, 856, 1558, 1712, 2033, 3116, 4066, 4387, 6232, 8132, 8774, 12464, 16264, 17548, 32528, 35096, 70192, 83353, 166706, 333412, 666824, 1333648]

約数ペア:

[(1, 1333648), (2, 666824), (4, 333412), (8, 166706), (16, 83353), (19, 70192), (38, 35096), (41, 32528), (76, 17548), (82, 16264), (107, 12464), (152, 8774), (164, 8132), (214, 6232), (304, 4387), (328, 4066), (428, 3116), (656, 2033), (779, 1712), (856, 1558)]