665636728

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{40927}}^1$

素因数の和:41059

約数の個数: 32

約数和(自身を含む): 1326067200

約数和(自身を除く): 660430472

約数列:

[1, 2, 4, 8, 19, 38, 76, 107, 152, 214, 428, 856, 2033, 4066, 8132, 16264, 40927, 81854, 163708, 327416, 777613, 1555226, 3110452, 4379189, 6220904, 8758378, 17516756, 35033512, 83204591, 166409182, 332818364, 665636728]

約数ペア:

[(1, 665636728), (2, 332818364), (4, 166409182), (8, 83204591), (19, 35033512), (38, 17516756), (76, 8758378), (107, 6220904), (152, 4379189), (214, 3110452), (428, 1555226), (856, 777613), (2033, 327416), (4066, 163708), (8132, 81854), (16264, 40927)]