208518804868

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{293}}^1\times {\mathrm{881}}^1\times {\mathrm{1669}}^1$

素因数の和:2869

約数の個数: 72

約数和(自身を含む): 403164299160

約数和(自身を除く): 194645494292

約数列:

[1, 2, 4, 11, 22, 44, 121, 242, 293, 484, 586, 881, 1172, 1669, 1762, 3223, 3338, 3524, 6446, 6676, 9691, 12892, 18359, 19382, 35453, 36718, 38764, 70906, 73436, 106601, 141812, 201949, 213202, 258133, 403898, 426404, 489017, 516266, 807796, 978034, 1032532, 1470389, 1956068, 2839463, 2940778, 5379187, 5678926, 5881556, 10758374, 11357852, 16174279, 21516748, 31234093, 32348558, 59171057, 62468186, 64697116, 118342114, 124936372, 177917069, 236684228, 355834138, 430823977, 711668276, 861647954, 1723295908, 4739063747, 9478127494, 18956254988, 52129701217, 104259402434, 208518804868]

約数ペア:

[(1, 208518804868), (2, 104259402434), (4, 52129701217), (11, 18956254988), (22, 9478127494), (44, 4739063747), (121, 1723295908), (242, 861647954), (293, 711668276), (484, 430823977), (586, 355834138), (881, 236684228), (1172, 177917069), (1669, 124936372), (1762, 118342114), (3223, 64697116), (3338, 62468186), (3524, 59171057), (6446, 32348558), (6676, 31234093), (9691, 21516748), (12892, 16174279), (18359, 11357852), (19382, 10758374), (35453, 5881556), (36718, 5678926), (38764, 5379187), (70906, 2940778), (73436, 2839463), (106601, 1956068), (141812, 1470389), (201949, 1032532), (213202, 978034), (258133, 807796), (403898, 516266), (426404, 489017)]