258788124

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:416

約数の個数: 144

約数和(自身を含む): 780322816

約数和(自身を除く): 521534692

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 157, 186, 211, 217, 252, 279, 314, 372, 422, 434, 471, 558, 628, 633, 651, 844, 868, 942, 1099, 1116, 1266, 1302, 1413, 1477, 1884, 1899, 1953, 2198, 2532, 2604, 2826, 2954, 3297, 3798, 3906, 4396, 4431, 4867, 5652, 5908, 6541, 6594, 7596, 7812, 8862, 9734, 9891, 13082, 13188, 13293, 14601, 17724, 19468, 19623, 19782, 26164, 26586, 29202, 33127, 34069, 39246, 39564, 43803, 45787, 53172, 58404, 58869, 66254, 68138, 78492, 87606, 91574, 99381, 102207, 117738, 132508, 136276, 137361, 175212, 183148, 198762, 204414, 231889, 235476, 274722, 298143, 306621, 397524, 408828, 412083, 463778, 549444, 596286, 613242, 695667, 824166, 927556, 1026937, 1192572, 1226484, 1391334, 1648332, 2053874, 2087001, 2782668, 3080811, 4107748, 4174002, 6161622, 7188559, 8348004, 9242433, 12323244, 14377118, 18484866, 21565677, 28754236, 36969732, 43131354, 64697031, 86262708, 129394062, 258788124]

約数ペア:

[(1, 258788124), (2, 129394062), (3, 86262708), (4, 64697031), (6, 43131354), (7, 36969732), (9, 28754236), (12, 21565677), (14, 18484866), (18, 14377118), (21, 12323244), (28, 9242433), (31, 8348004), (36, 7188559), (42, 6161622), (62, 4174002), (63, 4107748), (84, 3080811), (93, 2782668), (124, 2087001), (126, 2053874), (157, 1648332), (186, 1391334), (211, 1226484), (217, 1192572), (252, 1026937), (279, 927556), (314, 824166), (372, 695667), (422, 613242), (434, 596286), (471, 549444), (558, 463778), (628, 412083), (633, 408828), (651, 397524), (844, 306621), (868, 298143), (942, 274722), (1099, 235476), (1116, 231889), (1266, 204414), (1302, 198762), (1413, 183148), (1477, 175212), (1884, 137361), (1899, 136276), (1953, 132508), (2198, 117738), (2532, 102207), (2604, 99381), (2826, 91574), (2954, 87606), (3297, 78492), (3798, 68138), (3906, 66254), (4396, 58869), (4431, 58404), (4867, 53172), (5652, 45787), (5908, 43803), (6541, 39564), (6594, 39246), (7596, 34069), (7812, 33127), (8862, 29202), (9734, 26586), (9891, 26164), (13082, 19782), (13188, 19623), (13293, 19468), (14601, 17724)]