257032792

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{311}}^1$

素因数の和:496

約数の個数: 64

約数和(自身を含む): 525657600

約数和(自身を除く): 268624808

約数列:

[1, 2, 4, 8, 17, 34, 59, 68, 103, 118, 136, 206, 236, 311, 412, 472, 622, 824, 1003, 1244, 1751, 2006, 2488, 3502, 4012, 5287, 6077, 7004, 8024, 10574, 12154, 14008, 18349, 21148, 24308, 32033, 36698, 42296, 48616, 64066, 73396, 103309, 128132, 146792, 206618, 256264, 311933, 413236, 544561, 623866, 826472, 1089122, 1247732, 1889947, 2178244, 2495464, 3779894, 4356488, 7559788, 15119576, 32129099, 64258198, 128516396, 257032792]

約数ペア:

[(1, 257032792), (2, 128516396), (4, 64258198), (8, 32129099), (17, 15119576), (34, 7559788), (59, 4356488), (68, 3779894), (103, 2495464), (118, 2178244), (136, 1889947), (206, 1247732), (236, 1089122), (311, 826472), (412, 623866), (472, 544561), (622, 413236), (824, 311933), (1003, 256264), (1244, 206618), (1751, 146792), (2006, 128132), (2488, 103309), (3502, 73396), (4012, 64066), (5287, 48616), (6077, 42296), (7004, 36698), (8024, 32033), (10574, 24308), (12154, 21148), (14008, 18349)]