1640406

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{11887}}^1$

素因数の和:11915

約数の個数: 16

約数和(自身を含む): 3423744

約数和(自身を除く): 1783338

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 11887, 23774, 35661, 71322, 273401, 546802, 820203, 1640406]

約数ペア:

[(1, 1640406), (2, 820203), (3, 546802), (6, 273401), (23, 71322), (46, 35661), (69, 23774), (138, 11887)]