28611886

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1\times {\mathrm{719}}^1$

素因数の和:1019

約数の個数: 16

約数和(自身を含む): 43623360

約数和(自身を除く): 15011474

約数列:

[1, 2, 101, 197, 202, 394, 719, 1438, 19897, 39794, 72619, 141643, 145238, 283286, 14305943, 28611886]

約数ペア:

[(1, 28611886), (2, 14305943), (101, 283286), (197, 145238), (202, 141643), (394, 72619), (719, 39794), (1438, 19897)]