399990098

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{68281}}^1$

素因数の和:68413

約数の個数: 16

約数和(自身を含む): 626828760

約数和(自身を除く): 226838662

約数列:

[1, 2, 29, 58, 101, 202, 2929, 5858, 68281, 136562, 1980149, 3960298, 6896381, 13792762, 199995049, 399990098]

約数ペア:

[(1, 399990098), (2, 199995049), (29, 13792762), (58, 6896381), (101, 3960298), (202, 1980149), (2929, 136562), (5858, 68281)]