389628764

素因数分解:

$2^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{33053}}^1$

素因数の和:33485

約数の個数: 24

約数和(自身を含む): 781132128

約数和(自身を除く): 391503364

約数列:

[1, 2, 4, 7, 14, 28, 421, 842, 1684, 2947, 5894, 11788, 33053, 66106, 132212, 231371, 462742, 925484, 13915313, 27830626, 55661252, 97407191, 194814382, 389628764]

約数ペア:

[(1, 389628764), (2, 194814382), (4, 97407191), (7, 55661252), (14, 27830626), (28, 13915313), (421, 925484), (842, 462742), (1684, 231371), (2947, 132212), (5894, 66106), (11788, 33053)]