66818164

素因数分解:

$2^2\times 7^2\times {\mathrm{340909}}^1$

素因数の和:340927

約数の個数: 18

約数和(自身を含む): 136023090

約数和(自身を除く): 69204926

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 340909, 681818, 1363636, 2386363, 4772726, 9545452, 16704541, 33409082, 66818164]

約数ペア:

[(1, 66818164), (2, 33409082), (4, 16704541), (7, 9545452), (14, 4772726), (28, 2386363), (49, 1363636), (98, 681818), (196, 340909)]