1781113404

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{21203731}}^1$

素因数の和:21203745

約数の個数: 24

約数和(自身を含む): 4749635968

約数和(自身を除く): 2968522564

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 21203731, 42407462, 63611193, 84814924, 127222386, 148426117, 254444772, 296852234, 445278351, 593704468, 890556702, 1781113404]

約数ペア:

[(1, 1781113404), (2, 890556702), (3, 593704468), (4, 445278351), (6, 296852234), (7, 254444772), (12, 148426117), (14, 127222386), (21, 84814924), (28, 63611193), (42, 42407462), (84, 21203731)]