103215728

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{421}}^1$

素因数の和:646

約数の個数: 80

約数和(自身を含む): 251174400

約数和(自身を除く): 147958672

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 199, 308, 398, 421, 616, 796, 842, 1232, 1393, 1592, 1684, 2189, 2786, 2947, 3184, 3368, 4378, 4631, 5572, 5894, 6736, 8756, 9262, 11144, 11788, 15323, 17512, 18524, 22288, 23576, 30646, 32417, 35024, 37048, 47152, 61292, 64834, 74096, 83779, 122584, 129668, 167558, 245168, 259336, 335116, 518672, 586453, 670232, 921569, 1172906, 1340464, 1843138, 2345812, 3686276, 4691624, 6450983, 7372552, 9383248, 12901966, 14745104, 25803932, 51607864, 103215728]

約数ペア:

[(1, 103215728), (2, 51607864), (4, 25803932), (7, 14745104), (8, 12901966), (11, 9383248), (14, 7372552), (16, 6450983), (22, 4691624), (28, 3686276), (44, 2345812), (56, 1843138), (77, 1340464), (88, 1172906), (112, 921569), (154, 670232), (176, 586453), (199, 518672), (308, 335116), (398, 259336), (421, 245168), (616, 167558), (796, 129668), (842, 122584), (1232, 83779), (1393, 74096), (1592, 64834), (1684, 61292), (2189, 47152), (2786, 37048), (2947, 35024), (3184, 32417), (3368, 30646), (4378, 23576), (4631, 22288), (5572, 18524), (5894, 17512), (6736, 15323), (8756, 11788), (9262, 11144)]