256318384

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{1307}}^1$

素因数の和:1442

約数の個数: 80

約数和(自身を含む): 607246848

約数和(自身を除く): 350928464

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 103, 112, 119, 136, 206, 238, 272, 412, 476, 721, 824, 952, 1307, 1442, 1648, 1751, 1904, 2614, 2884, 3502, 5228, 5768, 7004, 9149, 10456, 11536, 12257, 14008, 18298, 20912, 22219, 24514, 28016, 36596, 44438, 49028, 73192, 88876, 98056, 134621, 146384, 155533, 177752, 196112, 269242, 311066, 355504, 538484, 622132, 942347, 1076968, 1244264, 1884694, 2153936, 2288557, 2488528, 3769388, 4577114, 7538776, 9154228, 15077552, 16019899, 18308456, 32039798, 36616912, 64079596, 128159192, 256318384]

約数ペア:

[(1, 256318384), (2, 128159192), (4, 64079596), (7, 36616912), (8, 32039798), (14, 18308456), (16, 16019899), (17, 15077552), (28, 9154228), (34, 7538776), (56, 4577114), (68, 3769388), (103, 2488528), (112, 2288557), (119, 2153936), (136, 1884694), (206, 1244264), (238, 1076968), (272, 942347), (412, 622132), (476, 538484), (721, 355504), (824, 311066), (952, 269242), (1307, 196112), (1442, 177752), (1648, 155533), (1751, 146384), (1904, 134621), (2614, 98056), (2884, 88876), (3502, 73192), (5228, 49028), (5768, 44438), (7004, 36596), (9149, 28016), (10456, 24514), (11536, 22219), (12257, 20912), (14008, 18298)]