1138690721

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{1019}}^1\times {\mathrm{2617}}^1$

素因数の和:3704

約数の個数: 16

約数和(自身を含む): 1324498560

約数和(自身を除く): 185807839

約数列:

[1, 7, 61, 427, 1019, 2617, 7133, 18319, 62159, 159637, 435113, 1117459, 2666723, 18667061, 162670103, 1138690721]

約数ペア:

[(1, 1138690721), (7, 162670103), (61, 18667061), (427, 2666723), (1019, 1117459), (2617, 435113), (7133, 159637), (18319, 62159)]