180002018

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{487}}^1\times {\mathrm{1553}}^1$

素因数の和:2066

約数の個数: 32

約数和(自身を含む): 327608064

約数和(自身を除く): 147606046

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 487, 974, 1553, 3106, 3409, 6818, 8279, 10871, 16558, 21742, 26401, 52802, 57953, 115906, 184807, 369614, 756311, 1512622, 5294177, 10588354, 12857287, 25714574, 90001009, 180002018]

約数ペア:

[(1, 180002018), (2, 90001009), (7, 25714574), (14, 12857287), (17, 10588354), (34, 5294177), (119, 1512622), (238, 756311), (487, 369614), (974, 184807), (1553, 115906), (3106, 57953), (3409, 52802), (6818, 26401), (8279, 21742), (10871, 16558)]