257588016

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:451

約数の個数: 160

約数和(自身を含む): 808757760

約数和(自身を除く): 551169744

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 38, 42, 48, 56, 57, 76, 84, 112, 114, 133, 152, 157, 168, 228, 257, 266, 304, 314, 336, 399, 456, 471, 514, 532, 628, 771, 798, 912, 942, 1028, 1064, 1099, 1256, 1542, 1596, 1799, 1884, 2056, 2128, 2198, 2512, 2983, 3084, 3192, 3297, 3598, 3768, 4112, 4396, 4883, 5397, 5966, 6168, 6384, 6594, 7196, 7536, 8792, 8949, 9766, 10794, 11932, 12336, 13188, 14392, 14649, 17584, 17898, 19532, 20881, 21588, 23864, 26376, 28784, 29298, 34181, 35796, 39064, 40349, 41762, 43176, 47728, 52752, 58596, 62643, 68362, 71592, 78128, 80698, 83524, 86352, 102543, 117192, 121047, 125286, 136724, 143184, 161396, 167048, 205086, 234384, 242094, 250572, 273448, 282443, 322792, 334096, 410172, 484188, 501144, 546896, 564886, 645584, 766631, 820344, 847329, 968376, 1002288, 1129772, 1533262, 1640688, 1694658, 1936752, 2259544, 2299893, 3066524, 3389316, 4519088, 4599786, 5366417, 6133048, 6778632, 9199572, 10732834, 12266096, 13557264, 16099251, 18399144, 21465668, 32198502, 36798288, 42931336, 64397004, 85862672, 128794008, 257588016]

約数ペア:

[(1, 257588016), (2, 128794008), (3, 85862672), (4, 64397004), (6, 42931336), (7, 36798288), (8, 32198502), (12, 21465668), (14, 18399144), (16, 16099251), (19, 13557264), (21, 12266096), (24, 10732834), (28, 9199572), (38, 6778632), (42, 6133048), (48, 5366417), (56, 4599786), (57, 4519088), (76, 3389316), (84, 3066524), (112, 2299893), (114, 2259544), (133, 1936752), (152, 1694658), (157, 1640688), (168, 1533262), (228, 1129772), (257, 1002288), (266, 968376), (304, 847329), (314, 820344), (336, 766631), (399, 645584), (456, 564886), (471, 546896), (514, 501144), (532, 484188), (628, 410172), (771, 334096), (798, 322792), (912, 282443), (942, 273448), (1028, 250572), (1064, 242094), (1099, 234384), (1256, 205086), (1542, 167048), (1596, 161396), (1799, 143184), (1884, 136724), (2056, 125286), (2128, 121047), (2198, 117192), (2512, 102543), (2983, 86352), (3084, 83524), (3192, 80698), (3297, 78128), (3598, 71592), (3768, 68362), (4112, 62643), (4396, 58596), (4883, 52752), (5397, 47728), (5966, 43176), (6168, 41762), (6384, 40349), (6594, 39064), (7196, 35796), (7536, 34181), (8792, 29298), (8949, 28784), (9766, 26376), (10794, 23864), (11932, 21588), (12336, 20881), (13188, 19532), (14392, 17898), (14649, 17584)]