257512872

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^2\times {\mathrm{137}}^1\times {\mathrm{271}}^1$

素因数の和:451

約数の個数: 96

約数和(自身を含む): 691413120

約数和(自身を除く): 433900248

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 137, 204, 271, 274, 289, 408, 411, 542, 548, 578, 813, 822, 867, 1084, 1096, 1156, 1626, 1644, 1734, 2168, 2312, 2329, 3252, 3288, 3468, 4607, 4658, 6504, 6936, 6987, 9214, 9316, 13821, 13974, 18428, 18632, 27642, 27948, 36856, 37127, 39593, 55284, 55896, 74254, 78319, 79186, 110568, 111381, 118779, 148508, 156638, 158372, 222762, 234957, 237558, 297016, 313276, 316744, 445524, 469914, 475116, 626552, 631159, 891048, 939828, 950232, 1262318, 1879656, 1893477, 2524636, 3786954, 5049272, 7573908, 10729703, 15147816, 21459406, 32189109, 42918812, 64378218, 85837624, 128756436, 257512872]

約数ペア:

[(1, 257512872), (2, 128756436), (3, 85837624), (4, 64378218), (6, 42918812), (8, 32189109), (12, 21459406), (17, 15147816), (24, 10729703), (34, 7573908), (51, 5049272), (68, 3786954), (102, 2524636), (136, 1893477), (137, 1879656), (204, 1262318), (271, 950232), (274, 939828), (289, 891048), (408, 631159), (411, 626552), (542, 475116), (548, 469914), (578, 445524), (813, 316744), (822, 313276), (867, 297016), (1084, 237558), (1096, 234957), (1156, 222762), (1626, 158372), (1644, 156638), (1734, 148508), (2168, 118779), (2312, 111381), (2329, 110568), (3252, 79186), (3288, 78319), (3468, 74254), (4607, 55896), (4658, 55284), (6504, 39593), (6936, 37127), (6987, 36856), (9214, 27948), (9316, 27642), (13821, 18632), (13974, 18428)]