28185154

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{2719}}^1$

素因数の和:2865

約数の個数: 16

約数和(自身を含む): 43476480

約数和(自身を除く): 15291326

約数列:

[1, 2, 71, 73, 142, 146, 2719, 5183, 5438, 10366, 193049, 198487, 386098, 396974, 14092577, 28185154]

約数ペア:

[(1, 28185154), (2, 14092577), (71, 396974), (73, 386098), (142, 198487), (146, 193049), (2719, 10366), (5183, 5438)]