81856110

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{389791}}^1$

素因数の和:389808

約数の個数: 32

約数和(自身を含む): 224520192

約数和(自身を除く): 142664082

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 389791, 779582, 1169373, 1948955, 2338746, 2728537, 3897910, 5457074, 5846865, 8185611, 11693730, 13642685, 16371222, 27285370, 40928055, 81856110]

約数ペア:

[(1, 81856110), (2, 40928055), (3, 27285370), (5, 16371222), (6, 13642685), (7, 11693730), (10, 8185611), (14, 5846865), (15, 5457074), (21, 3897910), (30, 2728537), (35, 2338746), (42, 1948955), (70, 1169373), (105, 779582), (210, 389791)]