131090890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1872727}}^1$

素因数の和:1872741

約数の個数: 16

約数和(自身を含む): 269672832

約数和(自身を除く): 138581942

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1872727, 3745454, 9363635, 13109089, 18727270, 26218178, 65545445, 131090890]

約数ペア:

[(1, 131090890), (2, 65545445), (5, 26218178), (7, 18727270), (10, 13109089), (14, 9363635), (35, 3745454), (70, 1872727)]