128227855

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^2\times {\mathrm{1811}}^1$

素因数の和:1864

約数の個数: 36

約数和(自身を含む): 190249128

約数和(自身を除く): 62021273

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 245, 289, 595, 833, 1445, 1811, 2023, 4165, 9055, 10115, 12677, 14161, 30787, 63385, 70805, 88739, 153935, 215509, 443695, 523379, 1077545, 1508563, 2616895, 3663653, 7542815, 18318265, 25645571, 128227855]

約数ペア:

[(1, 128227855), (5, 25645571), (7, 18318265), (17, 7542815), (35, 3663653), (49, 2616895), (85, 1508563), (119, 1077545), (245, 523379), (289, 443695), (595, 215509), (833, 153935), (1445, 88739), (1811, 70805), (2023, 63385), (4165, 30787), (9055, 14161), (10115, 12677)]