198348230

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{639833}}^1$

素因数の和:639871

約数の個数: 16

約数和(自身を含む): 368544384

約数和(自身を除く): 170196154

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 639833, 1279666, 3199165, 6398330, 19834823, 39669646, 99174115, 198348230]

約数ペア:

[(1, 198348230), (2, 99174115), (5, 39669646), (10, 19834823), (31, 6398330), (62, 3199165), (155, 1279666), (310, 639833)]