257283432

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{263}}^1\times {\mathrm{647}}^1$

素因数の和:932

約数の個数: 128

約数和(自身を含む): 821145600

約数和(自身を除く): 563862168

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 263, 378, 504, 526, 647, 756, 789, 1052, 1294, 1512, 1578, 1841, 1941, 2104, 2367, 2588, 3156, 3682, 3882, 4529, 4734, 5176, 5523, 5823, 6312, 7101, 7364, 7764, 9058, 9468, 11046, 11646, 13587, 14202, 14728, 15528, 16569, 17469, 18116, 18936, 22092, 23292, 27174, 28404, 33138, 34938, 36232, 40761, 44184, 46584, 49707, 54348, 56808, 66276, 69876, 81522, 99414, 108696, 122283, 132552, 139752, 163044, 170161, 198828, 244566, 326088, 340322, 397656, 489132, 510483, 680644, 978264, 1020966, 1191127, 1361288, 1531449, 2041932, 2382254, 3062898, 3573381, 4083864, 4594347, 4764508, 6125796, 7146762, 9188694, 9529016, 10720143, 12251592, 14293524, 18377388, 21440286, 28587048, 32160429, 36754776, 42880572, 64320858, 85761144, 128641716, 257283432]

約数ペア:

[(1, 257283432), (2, 128641716), (3, 85761144), (4, 64320858), (6, 42880572), (7, 36754776), (8, 32160429), (9, 28587048), (12, 21440286), (14, 18377388), (18, 14293524), (21, 12251592), (24, 10720143), (27, 9529016), (28, 9188694), (36, 7146762), (42, 6125796), (54, 4764508), (56, 4594347), (63, 4083864), (72, 3573381), (84, 3062898), (108, 2382254), (126, 2041932), (168, 1531449), (189, 1361288), (216, 1191127), (252, 1020966), (263, 978264), (378, 680644), (504, 510483), (526, 489132), (647, 397656), (756, 340322), (789, 326088), (1052, 244566), (1294, 198828), (1512, 170161), (1578, 163044), (1841, 139752), (1941, 132552), (2104, 122283), (2367, 108696), (2588, 99414), (3156, 81522), (3682, 69876), (3882, 66276), (4529, 56808), (4734, 54348), (5176, 49707), (5523, 46584), (5823, 44184), (6312, 40761), (7101, 36232), (7364, 34938), (7764, 33138), (9058, 28404), (9468, 27174), (11046, 23292), (11646, 22092), (13587, 18936), (14202, 18116), (14728, 17469), (15528, 16569)]