399130394

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{495199}}^1$

素因数の和:495245

約数の個数: 16

約数和(自身を含む): 665548800

約数和(自身を除く): 266418406

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 495199, 990398, 6437587, 12875174, 15351169, 30702338, 199565197, 399130394]

約数ペア:

[(1, 399130394), (2, 199565197), (13, 30702338), (26, 15351169), (31, 12875174), (62, 6437587), (403, 990398), (806, 495199)]