681569614

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^2\times {\mathrm{3037}}^1$

素因数の和:3252

約数の個数: 24

約数和(自身を含む): 1126818504

約数和(自身を除く): 445248890

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 3037, 6074, 10201, 20402, 33407, 66814, 112211, 224422, 306737, 613474, 3374107, 6748214, 30980437, 61960874, 340784807, 681569614]

約数ペア:

[(1, 681569614), (2, 340784807), (11, 61960874), (22, 30980437), (101, 6748214), (202, 3374107), (1111, 613474), (2222, 306737), (3037, 224422), (6074, 112211), (10201, 66814), (20402, 33407)]