66702916

素因数分解:

$2^2\times 7^2\times {\mathrm{340321}}^1$

素因数の和:340339

約数の個数: 18

約数和(自身を含む): 135788478

約数和(自身を除く): 69085562

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 340321, 680642, 1361284, 2382247, 4764494, 9528988, 16675729, 33351458, 66702916]

約数ペア:

[(1, 66702916), (2, 33351458), (4, 16675729), (7, 9528988), (14, 4764494), (28, 2382247), (49, 1361284), (98, 680642), (196, 340321)]