40381747

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{2621}}^1$

素因数の和:2730

約数の個数: 16

約数和(自身を含む): 48328704

約数和(自身を除く): 7946957

約数列:

[1, 7, 31, 71, 217, 497, 2201, 2621, 15407, 18347, 81251, 186091, 568757, 1302637, 5768821, 40381747]

約数ペア:

[(1, 40381747), (7, 5768821), (31, 1302637), (71, 568757), (217, 186091), (497, 81251), (2201, 18347), (2621, 15407)]