28499836

素因数分解:

$2^2\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{397}}^1$

素因数の和:669

約数の個数: 24

約数和(自身を含む): 50749776

約数和(自身を除く): 22249940

約数列:

[1, 2, 4, 131, 137, 262, 274, 397, 524, 548, 794, 1588, 17947, 35894, 52007, 54389, 71788, 104014, 108778, 208028, 217556, 7124959, 14249918, 28499836]

約数ペア:

[(1, 28499836), (2, 14249918), (4, 7124959), (131, 217556), (137, 208028), (262, 108778), (274, 104014), (397, 71788), (524, 54389), (548, 52007), (794, 35894), (1588, 17947)]