201340018

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{331}}^1\times {\mathrm{643}}^1$

素因数の和:1030

約数の個数: 32

約数和(自身を含む): 338671872

約数和(自身を除く): 137331854

約数列:

[1, 2, 11, 22, 43, 86, 331, 473, 643, 662, 946, 1286, 3641, 7073, 7282, 14146, 14233, 27649, 28466, 55298, 156563, 212833, 304139, 313126, 425666, 608278, 2341163, 4682326, 9151819, 18303638, 100670009, 201340018]

約数ペア:

[(1, 201340018), (2, 100670009), (11, 18303638), (22, 9151819), (43, 4682326), (86, 2341163), (331, 608278), (473, 425666), (643, 313126), (662, 304139), (946, 212833), (1286, 156563), (3641, 55298), (7073, 28466), (7282, 27649), (14146, 14233)]