71540588

素因数分解:

$2^2\times 7^2\times {\mathrm{365003}}^1$

素因数の和:365021

約数の個数: 18

約数和(自身を含む): 145636596

約数和(自身を除く): 74096008

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 365003, 730006, 1460012, 2555021, 5110042, 10220084, 17885147, 35770294, 71540588]

約数ペア:

[(1, 71540588), (2, 35770294), (4, 17885147), (7, 10220084), (14, 5110042), (28, 2555021), (49, 1460012), (98, 730006), (196, 365003)]