81982672

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{222779}}^1$

素因数の和:222810

約数の個数: 20

約数和(自身を含む): 165748320

約数和(自身を除く): 83765648

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 222779, 445558, 891116, 1782232, 3564464, 5123917, 10247834, 20495668, 40991336, 81982672]

約数ペア:

[(1, 81982672), (2, 40991336), (4, 20495668), (8, 10247834), (16, 5123917), (23, 3564464), (46, 1782232), (92, 891116), (184, 445558), (368, 222779)]