128538863275

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{263}}^1\times {\mathrm{1097}}^1$

素因数の和:1692

約数の個数: 48

約数和(自身を含む): 163042564608

約数和(自身を除く): 34503701333

約数列:

[1, 5, 25, 71, 251, 263, 355, 1097, 1255, 1315, 1775, 5485, 6275, 6575, 17821, 18673, 27425, 66013, 77887, 89105, 93365, 275347, 288511, 330065, 389435, 445525, 466825, 1376735, 1442555, 1650325, 1947175, 4686923, 6883675, 7212775, 19549637, 20484281, 23434615, 72416261, 97748185, 102421405, 117173075, 362081305, 488740925, 512107025, 1810406525, 5141554531, 25707772655, 128538863275]

約数ペア:

[(1, 128538863275), (5, 25707772655), (25, 5141554531), (71, 1810406525), (251, 512107025), (263, 488740925), (355, 362081305), (1097, 117173075), (1255, 102421405), (1315, 97748185), (1775, 72416261), (5485, 23434615), (6275, 20484281), (6575, 19549637), (17821, 7212775), (18673, 6883675), (27425, 4686923), (66013, 1947175), (77887, 1650325), (89105, 1442555), (93365, 1376735), (275347, 466825), (288511, 445525), (330065, 389435)]