8642718

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:302

約数の個数: 72

約数和(自身を含む): 22407840

約数和(自身を除く): 13765122

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 41, 42, 49, 63, 82, 98, 123, 126, 147, 239, 246, 287, 294, 369, 441, 478, 574, 717, 738, 861, 882, 1434, 1673, 1722, 2009, 2151, 2583, 3346, 4018, 4302, 5019, 5166, 6027, 9799, 10038, 11711, 12054, 15057, 18081, 19598, 23422, 29397, 30114, 35133, 36162, 58794, 68593, 70266, 88191, 105399, 137186, 176382, 205779, 210798, 411558, 480151, 617337, 960302, 1234674, 1440453, 2880906, 4321359, 8642718]

約数ペア:

[(1, 8642718), (2, 4321359), (3, 2880906), (6, 1440453), (7, 1234674), (9, 960302), (14, 617337), (18, 480151), (21, 411558), (41, 210798), (42, 205779), (49, 176382), (63, 137186), (82, 105399), (98, 88191), (123, 70266), (126, 68593), (147, 58794), (239, 36162), (246, 35133), (287, 30114), (294, 29397), (369, 23422), (441, 19598), (478, 18081), (574, 15057), (717, 12054), (738, 11711), (861, 10038), (882, 9799), (1434, 6027), (1673, 5166), (1722, 5019), (2009, 4302), (2151, 4018), (2583, 3346)]