205421216

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1$

素因数の和:116

約数の個数: 192

約数和(自身を含む): 557819136

約数和(自身を除く): 352397920

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 32, 44, 52, 53, 56, 77, 88, 91, 104, 106, 112, 121, 143, 154, 176, 182, 208, 212, 224, 242, 286, 308, 352, 364, 371, 416, 424, 484, 572, 583, 616, 689, 728, 742, 847, 848, 968, 1001, 1144, 1166, 1232, 1331, 1378, 1456, 1484, 1573, 1694, 1696, 1936, 2002, 2288, 2332, 2464, 2662, 2756, 2912, 2968, 3146, 3388, 3872, 4004, 4081, 4576, 4664, 4823, 5324, 5512, 5936, 6292, 6413, 6776, 7579, 8008, 8162, 9317, 9328, 9646, 10648, 11011, 11024, 11872, 12584, 12826, 13552, 15158, 16016, 16324, 17303, 18634, 18656, 19292, 21296, 22022, 22048, 25168, 25652, 27104, 30316, 32032, 32648, 34606, 37268, 38584, 42592, 44044, 44891, 50336, 51304, 53053, 60632, 65296, 69212, 70543, 74536, 77168, 83369, 88088, 89782, 102608, 106106, 121121, 121264, 130592, 138424, 141086, 149072, 154336, 166738, 176176, 179564, 205216, 212212, 242242, 242528, 276848, 282172, 298144, 333476, 352352, 359128, 424424, 484484, 493801, 553696, 564344, 583583, 666952, 718256, 848848, 917059, 968968, 987602, 1128688, 1167166, 1333904, 1436512, 1697696, 1834118, 1937936, 1975204, 2257376, 2334332, 2667808, 3668236, 3875872, 3950408, 4668664, 6419413, 7336472, 7900816, 9337328, 12838826, 14672944, 15801632, 18674656, 25677652, 29345888, 51355304, 102710608, 205421216]

約数ペア:

[(1, 205421216), (2, 102710608), (4, 51355304), (7, 29345888), (8, 25677652), (11, 18674656), (13, 15801632), (14, 14672944), (16, 12838826), (22, 9337328), (26, 7900816), (28, 7336472), (32, 6419413), (44, 4668664), (52, 3950408), (53, 3875872), (56, 3668236), (77, 2667808), (88, 2334332), (91, 2257376), (104, 1975204), (106, 1937936), (112, 1834118), (121, 1697696), (143, 1436512), (154, 1333904), (176, 1167166), (182, 1128688), (208, 987602), (212, 968968), (224, 917059), (242, 848848), (286, 718256), (308, 666952), (352, 583583), (364, 564344), (371, 553696), (416, 493801), (424, 484484), (484, 424424), (572, 359128), (583, 352352), (616, 333476), (689, 298144), (728, 282172), (742, 276848), (847, 242528), (848, 242242), (968, 212212), (1001, 205216), (1144, 179564), (1166, 176176), (1232, 166738), (1331, 154336), (1378, 149072), (1456, 141086), (1484, 138424), (1573, 130592), (1694, 121264), (1696, 121121), (1936, 106106), (2002, 102608), (2288, 89782), (2332, 88088), (2464, 83369), (2662, 77168), (2756, 74536), (2912, 70543), (2968, 69212), (3146, 65296), (3388, 60632), (3872, 53053), (4004, 51304), (4081, 50336), (4576, 44891), (4664, 44044), (4823, 42592), (5324, 38584), (5512, 37268), (5936, 34606), (6292, 32648), (6413, 32032), (6776, 30316), (7579, 27104), (8008, 25652), (8162, 25168), (9317, 22048), (9328, 22022), (9646, 21296), (10648, 19292), (11011, 18656), (11024, 18634), (11872, 17303), (12584, 16324), (12826, 16016), (13552, 15158)]