71720264

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{673}}^1$

素因数の和:870

約数の個数: 64

約数和(自身を含む): 168877440

約数和(自身を除く): 97157176

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 88, 154, 173, 308, 346, 616, 673, 692, 1211, 1346, 1384, 1903, 2422, 2692, 3806, 4711, 4844, 5384, 7403, 7612, 9422, 9688, 13321, 14806, 15224, 18844, 26642, 29612, 37688, 51821, 53284, 59224, 103642, 106568, 116429, 207284, 232858, 414568, 465716, 815003, 931432, 1280719, 1630006, 2561438, 3260012, 5122876, 6520024, 8965033, 10245752, 17930066, 35860132, 71720264]

約数ペア:

[(1, 71720264), (2, 35860132), (4, 17930066), (7, 10245752), (8, 8965033), (11, 6520024), (14, 5122876), (22, 3260012), (28, 2561438), (44, 1630006), (56, 1280719), (77, 931432), (88, 815003), (154, 465716), (173, 414568), (308, 232858), (346, 207284), (616, 116429), (673, 106568), (692, 103642), (1211, 59224), (1346, 53284), (1384, 51821), (1903, 37688), (2422, 29612), (2692, 26642), (3806, 18844), (4711, 15224), (4844, 14806), (5384, 13321), (7403, 9688), (7612, 9422)]