1388391159

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{490771}}^1$

素因数の和:490838

約数の個数: 16

約数和(自身を含む): 1978792704

約数和(自身を除く): 590401545

約数列:

[1, 3, 23, 41, 69, 123, 943, 2829, 490771, 1472313, 11287733, 20121611, 33863199, 60364833, 462797053, 1388391159]

約数ペア:

[(1, 1388391159), (3, 462797053), (23, 60364833), (41, 33863199), (69, 20121611), (123, 11287733), (943, 1472313), (2829, 490771)]