278229811202

素因数分解:

$2^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{353}}^1\times {\mathrm{405029}}^1$

素因数の和:405530

約数の個数: 32

約数和(自身を含む): 481758883200

約数和(自身を除く): 203529071998

約数列:

[1, 2, 7, 14, 139, 278, 353, 706, 973, 1946, 2471, 4942, 49067, 98134, 343469, 405029, 686938, 810058, 2835203, 5670406, 56299031, 112598062, 142975237, 285950474, 394093217, 788186434, 1000826659, 2001653318, 19873557943, 39747115886, 139114905601, 278229811202]

約数ペア:

[(1, 278229811202), (2, 139114905601), (7, 39747115886), (14, 19873557943), (139, 2001653318), (278, 1000826659), (353, 788186434), (706, 394093217), (973, 285950474), (1946, 142975237), (2471, 112598062), (4942, 56299031), (49067, 5670406), (98134, 2835203), (343469, 810058), (405029, 686938)]