67800908

素因数分解:

$2^2\times 7^2\times {\mathrm{345923}}^1$

素因数の和:345941

約数の個数: 18

約数和(自身を含む): 138023676

約数和(自身を除く): 70222768

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 345923, 691846, 1383692, 2421461, 4842922, 9685844, 16950227, 33900454, 67800908]

約数ペア:

[(1, 67800908), (2, 33900454), (4, 16950227), (7, 9685844), (14, 4842922), (28, 2421461), (49, 1383692), (98, 691846), (196, 345923)]