256985786

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{32309}}^1$

素因数の和:32449

約数の個数: 16

約数和(自身を含む): 398963880

約数和(自身を除く): 141978094

約数列:

[1, 2, 41, 82, 97, 194, 3977, 7954, 32309, 64618, 1324669, 2649338, 3133973, 6267946, 128492893, 256985786]

約数ペア:

[(1, 256985786), (2, 128492893), (41, 6267946), (82, 3133973), (97, 2649338), (194, 1324669), (3977, 64618), (7954, 32309)]