28941764

素因数分解:

$2^2\times {\mathrm{103}}^1\times {\mathrm{199}}^1\times {\mathrm{353}}^1$

素因数の和:659

約数の個数: 24

約数和(自身を含む): 51542400

約数和(自身を除く): 22600636

約数列:

[1, 2, 4, 103, 199, 206, 353, 398, 412, 706, 796, 1412, 20497, 36359, 40994, 70247, 72718, 81988, 140494, 145436, 280988, 7235441, 14470882, 28941764]

約数ペア:

[(1, 28941764), (2, 14470882), (4, 7235441), (103, 280988), (199, 145436), (206, 140494), (353, 81988), (398, 72718), (412, 70247), (706, 40994), (796, 36359), (1412, 20497)]