28445438

素因数分解:

$2^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{20117}}^1$

素因数の和:20227

約数の個数: 16

約数和(自身を含む): 49248864

約数和(自身を除く): 20803426

約数列:

[1, 2, 7, 14, 101, 202, 707, 1414, 20117, 40234, 140819, 281638, 2031817, 4063634, 14222719, 28445438]

約数ペア:

[(1, 28445438), (2, 14222719), (7, 4063634), (14, 2031817), (101, 281638), (202, 140819), (707, 40234), (1414, 20117)]