209804525654

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1\times {\mathrm{243109}}^1$

素因数の和:243464

約数の個数: 32

約数和(自身を含む): 334184840640

約数和(自身を除く): 124380314986

約数列:

[1, 2, 23, 46, 73, 146, 257, 514, 1679, 3358, 5911, 11822, 18761, 37522, 243109, 431503, 486218, 863006, 5591507, 11183014, 17746957, 35493914, 62479013, 124958026, 408180011, 816360022, 1437017299, 2874034598, 4560967949, 9121935898, 104902262827, 209804525654]

約数ペア:

[(1, 209804525654), (2, 104902262827), (23, 9121935898), (46, 4560967949), (73, 2874034598), (146, 1437017299), (257, 816360022), (514, 408180011), (1679, 124958026), (3358, 62479013), (5911, 35493914), (11822, 17746957), (18761, 11183014), (37522, 5591507), (243109, 863006), (431503, 486218)]