66435964

素因数分解:

$2^2\times 7^2\times {\mathrm{338959}}^1$

素因数の和:338977

約数の個数: 18

約数和(自身を含む): 135245040

約数和(自身を除く): 68809076

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 338959, 677918, 1355836, 2372713, 4745426, 9490852, 16608991, 33217982, 66435964]

約数ペア:

[(1, 66435964), (2, 33217982), (4, 16608991), (7, 9490852), (14, 4745426), (28, 2372713), (49, 1355836), (98, 677918), (196, 338959)]