217813612

素因数分解:

$2^2\times {\mathrm{211}}^1\times {\mathrm{421}}^1\times {\mathrm{613}}^1$

素因数の和:1249

約数の個数: 24

約数和(自身を含む): 384516272

約数和(自身を除く): 166702660

約数列:

[1, 2, 4, 211, 421, 422, 613, 842, 844, 1226, 1684, 2452, 88831, 129343, 177662, 258073, 258686, 355324, 516146, 517372, 1032292, 54453403, 108906806, 217813612]

約数ペア:

[(1, 217813612), (2, 108906806), (4, 54453403), (211, 1032292), (421, 517372), (422, 516146), (613, 355324), (842, 258686), (844, 258073), (1226, 177662), (1684, 129343), (2452, 88831)]