643808258

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{228139}}^1$

素因数の和:228241

約数の個数: 16

約数和(自身を含む): 1034843040

約数和(自身を除く): 391034782

約数列:

[1, 2, 17, 34, 83, 166, 1411, 2822, 228139, 456278, 3878363, 7756726, 18935537, 37871074, 321904129, 643808258]

約数ペア:

[(1, 643808258), (2, 321904129), (17, 37871074), (34, 18935537), (83, 7756726), (166, 3878363), (1411, 456278), (2822, 228139)]