838672

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:127

約数の個数: 40

約数和(自身を含む): 1767744

約数和(自身を除く): 929072

約数列:

[1, 2, 4, 8, 16, 23, 43, 46, 53, 86, 92, 106, 172, 184, 212, 344, 368, 424, 688, 848, 989, 1219, 1978, 2279, 2438, 3956, 4558, 4876, 7912, 9116, 9752, 15824, 18232, 19504, 36464, 52417, 104834, 209668, 419336, 838672]

約数ペア:

[(1, 838672), (2, 419336), (4, 209668), (8, 104834), (16, 52417), (23, 36464), (43, 19504), (46, 18232), (53, 15824), (86, 9752), (92, 9116), (106, 7912), (172, 4876), (184, 4558), (212, 3956), (344, 2438), (368, 2279), (424, 1978), (688, 1219), (848, 989)]