128237872

素因数分解:

$2^4\times 7^1\times {\mathrm{1144981}}^1$

素因数の和:1144996

約数の個数: 20

約数和(自身を含む): 283955536

約数和(自身を除く): 155717664

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1144981, 2289962, 4579924, 8014867, 9159848, 16029734, 18319696, 32059468, 64118936, 128237872]

約数ペア:

[(1, 128237872), (2, 64118936), (4, 32059468), (7, 18319696), (8, 16029734), (14, 9159848), (16, 8014867), (28, 4579924), (56, 2289962), (112, 1144981)]