66883984

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{245897}}^1$

素因数の和:245922

約数の個数: 20

約数和(自身を含む): 137211084

約数和(自身を除く): 70327100

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 245897, 491794, 983588, 1967176, 3934352, 4180249, 8360498, 16720996, 33441992, 66883984]

約数ペア:

[(1, 66883984), (2, 33441992), (4, 16720996), (8, 8360498), (16, 4180249), (17, 3934352), (34, 1967176), (68, 983588), (136, 491794), (272, 245897)]