216469967

素因数分解:

$7^1\times {\mathrm{53}}^2\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:323

約数の個数: 24

約数和(自身を含む): 256982880

約数和(自身を除く): 40512913

約数列:

[1, 7, 53, 101, 109, 371, 707, 763, 2809, 5353, 5777, 11009, 19663, 37471, 40439, 77063, 283709, 306181, 583477, 1985963, 2143267, 4084339, 30924281, 216469967]

約数ペア:

[(1, 216469967), (7, 30924281), (53, 4084339), (101, 2143267), (109, 1985963), (371, 583477), (707, 306181), (763, 283709), (2809, 77063), (5353, 40439), (5777, 37471), (11009, 19663)]