28187213

素因数分解:

${\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1$

素因数の和:556

約数の個数: 16

約数和(自身を含む): 30627072

約数和(自身を除く): 2439859

約数列:

[1, 23, 41, 71, 421, 943, 1633, 2911, 9683, 17261, 29891, 66953, 397003, 687493, 1225531, 28187213]

約数ペア:

[(1, 28187213), (23, 1225531), (41, 687493), (71, 397003), (421, 66953), (943, 29891), (1633, 17261), (2911, 9683)]