81914812

素因数分解:

$2^2\times 7^1\times {\mathrm{421}}^1\times {\mathrm{6949}}^1$

素因数の和:7381

約数の個数: 24

約数和(自身を含む): 164242400

約数和(自身を除く): 82327588

約数列:

[1, 2, 4, 7, 14, 28, 421, 842, 1684, 2947, 5894, 6949, 11788, 13898, 27796, 48643, 97286, 194572, 2925529, 5851058, 11702116, 20478703, 40957406, 81914812]

約数ペア:

[(1, 81914812), (2, 40957406), (4, 20478703), (7, 11702116), (14, 5851058), (28, 2925529), (421, 194572), (842, 97286), (1684, 48643), (2947, 27796), (5894, 13898), (6949, 11788)]