1321971838

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{551281}}^1$

素因数の和:551403

約数の個数: 16

約数和(自身を含む): 2183076720

約数和(自身を除く): 861104882

約数列:

[1, 2, 11, 22, 109, 218, 1199, 2398, 551281, 1102562, 6064091, 12128182, 60089629, 120179258, 660985919, 1321971838]

約数ペア:

[(1, 1321971838), (2, 660985919), (11, 120179258), (22, 60089629), (109, 12128182), (218, 6064091), (1199, 1102562), (2398, 551281)]