1640984868

素因数分解:

$2^2\times 3^2\times {\mathrm{643}}^1\times {\mathrm{70891}}^1$

素因数の和:71544

約数の個数: 36

約数和(自身を含む): 4154554768

約数和(自身を除く): 2513569900

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 643, 1286, 1929, 2572, 3858, 5787, 7716, 11574, 23148, 70891, 141782, 212673, 283564, 425346, 638019, 850692, 1276038, 2552076, 45582913, 91165826, 136748739, 182331652, 273497478, 410246217, 546994956, 820492434, 1640984868]

約数ペア:

[(1, 1640984868), (2, 820492434), (3, 546994956), (4, 410246217), (6, 273497478), (9, 182331652), (12, 136748739), (18, 91165826), (36, 45582913), (643, 2552076), (1286, 1276038), (1929, 850692), (2572, 638019), (3858, 425346), (5787, 283564), (7716, 212673), (11574, 141782), (23148, 70891)]