16621736

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{229}}^1$

素因数の和:489

約数の個数: 32

約数和(自身を含む): 32181600

約数和(自身を除く): 15559864

約数列:

[1, 2, 4, 8, 43, 86, 172, 211, 229, 344, 422, 458, 844, 916, 1688, 1832, 9073, 9847, 18146, 19694, 36292, 39388, 48319, 72584, 78776, 96638, 193276, 386552, 2077717, 4155434, 8310868, 16621736]

約数ペア:

[(1, 16621736), (2, 8310868), (4, 4155434), (8, 2077717), (43, 386552), (86, 193276), (172, 96638), (211, 78776), (229, 72584), (344, 48319), (422, 39388), (458, 36292), (844, 19694), (916, 18146), (1688, 9847), (1832, 9073)]