71872307

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1$

素因数の和:243

約数の個数: 32

約数和(自身を含む): 85451520

約数和(自身を除く): 13579213

約数列:

[1, 13, 19, 43, 67, 101, 247, 559, 817, 871, 1273, 1313, 1919, 2881, 4343, 6767, 10621, 16549, 24947, 37453, 54739, 56459, 82517, 87971, 128573, 290981, 711607, 1072721, 1671449, 3782753, 5528639, 71872307]

約数ペア:

[(1, 71872307), (13, 5528639), (19, 3782753), (43, 1671449), (67, 1072721), (101, 711607), (247, 290981), (559, 128573), (817, 87971), (871, 82517), (1273, 56459), (1313, 54739), (1919, 37453), (2881, 24947), (4343, 16549), (6767, 10621)]