121211216

素因数分解:

$2^4\times 7^1\times {\mathrm{1082243}}^1$

素因数の和:1082258

約数の個数: 20

約数和(自身を含む): 268396512

約数和(自身を除く): 147185296

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1082243, 2164486, 4328972, 7575701, 8657944, 15151402, 17315888, 30302804, 60605608, 121211216]

約数ペア:

[(1, 121211216), (2, 60605608), (4, 30302804), (7, 17315888), (8, 15151402), (14, 8657944), (16, 7575701), (28, 4328972), (56, 2164486), (112, 1082243)]