66439688

素因数分解:

$2^3\times 7^2\times {\mathrm{169489}}^1$

素因数の和:169509

約数の個数: 24

約数和(自身を含む): 144913950

約数和(自身を除く): 78474262

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 169489, 338978, 677956, 1186423, 1355912, 2372846, 4745692, 8304961, 9491384, 16609922, 33219844, 66439688]

約数ペア:

[(1, 66439688), (2, 33219844), (4, 16609922), (7, 9491384), (8, 8304961), (14, 4745692), (28, 2372846), (49, 1355912), (56, 1186423), (98, 677956), (196, 338978), (392, 169489)]