71284906

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{743}}^1$

素因数の和:859

約数の個数: 48

約数和(自身を含む): 137401920

約数和(自身を除く): 66117014

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 89, 98, 154, 178, 539, 623, 743, 979, 1078, 1246, 1486, 1958, 4361, 5201, 6853, 8173, 8722, 10402, 13706, 16346, 36407, 47971, 57211, 66127, 72814, 95942, 114422, 132254, 400477, 462889, 727397, 800954, 925778, 1454794, 3240223, 5091779, 6480446, 10183558, 35642453, 71284906]

約数ペア:

[(1, 71284906), (2, 35642453), (7, 10183558), (11, 6480446), (14, 5091779), (22, 3240223), (49, 1454794), (77, 925778), (89, 800954), (98, 727397), (154, 462889), (178, 400477), (539, 132254), (623, 114422), (743, 95942), (979, 72814), (1078, 66127), (1246, 57211), (1486, 47971), (1958, 36407), (4361, 16346), (5201, 13706), (6853, 10402), (8173, 8722)]