256440129

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{971}}^1$

素因数の和:1189

約数の個数: 32

約数和(自身を含む): 382952448

約数和(自身を除く): 126512319

約数列:

[1, 3, 11, 33, 53, 151, 159, 453, 583, 971, 1661, 1749, 2913, 4983, 8003, 10681, 24009, 32043, 51463, 88033, 146621, 154389, 264099, 439863, 566093, 1612831, 1698279, 4838493, 7770913, 23312739, 85480043, 256440129]

約数ペア:

[(1, 256440129), (3, 85480043), (11, 23312739), (33, 7770913), (53, 4838493), (151, 1698279), (159, 1612831), (453, 566093), (583, 439863), (971, 264099), (1661, 154389), (1749, 146621), (2913, 88033), (4983, 51463), (8003, 32043), (10681, 24009)]