257582416

素因数分解:

$2^4\times 7^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{199}}^1$

素因数の和:361

約数の個数: 120

約数和(自身を含む): 633292800

約数和(自身を除く): 375710384

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 49, 52, 56, 91, 98, 104, 112, 127, 182, 196, 199, 208, 254, 364, 392, 398, 508, 637, 728, 784, 796, 889, 1016, 1274, 1393, 1456, 1592, 1651, 1778, 2032, 2548, 2587, 2786, 3184, 3302, 3556, 5096, 5174, 5572, 6223, 6604, 7112, 9751, 10192, 10348, 11144, 11557, 12446, 13208, 14224, 18109, 19502, 20696, 22288, 23114, 24892, 25273, 26416, 36218, 39004, 41392, 46228, 49784, 50546, 72436, 78008, 80899, 92456, 99568, 101092, 126763, 144872, 156016, 161798, 176911, 184912, 202184, 253526, 289744, 323596, 328549, 353822, 404368, 507052, 647192, 657098, 707644, 1014104, 1238377, 1294384, 1314196, 1415288, 2028208, 2299843, 2476754, 2628392, 2830576, 4599686, 4953508, 5256784, 9199372, 9907016, 16098901, 18398744, 19814032, 32197802, 36797488, 64395604, 128791208, 257582416]

約数ペア:

[(1, 257582416), (2, 128791208), (4, 64395604), (7, 36797488), (8, 32197802), (13, 19814032), (14, 18398744), (16, 16098901), (26, 9907016), (28, 9199372), (49, 5256784), (52, 4953508), (56, 4599686), (91, 2830576), (98, 2628392), (104, 2476754), (112, 2299843), (127, 2028208), (182, 1415288), (196, 1314196), (199, 1294384), (208, 1238377), (254, 1014104), (364, 707644), (392, 657098), (398, 647192), (508, 507052), (637, 404368), (728, 353822), (784, 328549), (796, 323596), (889, 289744), (1016, 253526), (1274, 202184), (1393, 184912), (1456, 176911), (1592, 161798), (1651, 156016), (1778, 144872), (2032, 126763), (2548, 101092), (2587, 99568), (2786, 92456), (3184, 80899), (3302, 78008), (3556, 72436), (5096, 50546), (5174, 49784), (5572, 46228), (6223, 41392), (6604, 39004), (7112, 36218), (9751, 26416), (10192, 25273), (10348, 24892), (11144, 23114), (11557, 22288), (12446, 20696), (13208, 19502), (14224, 18109)]