256367916

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{41}}^1\times {\mathrm{919}}^1$

素因数の和:986

約数の個数: 144

約数和(自身を含む): 787637760

約数和(自身を除く): 531269844

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 41, 42, 54, 63, 81, 82, 84, 108, 123, 126, 162, 164, 189, 243, 246, 252, 287, 324, 369, 378, 486, 492, 567, 574, 738, 756, 861, 919, 972, 1107, 1134, 1148, 1476, 1701, 1722, 1838, 2214, 2268, 2583, 2757, 3321, 3402, 3444, 3676, 4428, 5166, 5514, 6433, 6642, 6804, 7749, 8271, 9963, 10332, 11028, 12866, 13284, 15498, 16542, 19299, 19926, 23247, 24813, 25732, 30996, 33084, 37679, 38598, 39852, 46494, 49626, 57897, 69741, 74439, 75358, 77196, 92988, 99252, 113037, 115794, 139482, 148878, 150716, 173691, 223317, 226074, 231588, 263753, 278964, 297756, 339111, 347382, 446634, 452148, 521073, 527506, 678222, 694764, 791259, 893268, 1017333, 1042146, 1055012, 1356444, 1563219, 1582518, 2034666, 2084292, 2373777, 3051999, 3126438, 3165036, 4069332, 4747554, 6103998, 6252876, 7121331, 9155997, 9495108, 12207996, 14242662, 18311994, 21363993, 28485324, 36623988, 42727986, 64091979, 85455972, 128183958, 256367916]

約数ペア:

[(1, 256367916), (2, 128183958), (3, 85455972), (4, 64091979), (6, 42727986), (7, 36623988), (9, 28485324), (12, 21363993), (14, 18311994), (18, 14242662), (21, 12207996), (27, 9495108), (28, 9155997), (36, 7121331), (41, 6252876), (42, 6103998), (54, 4747554), (63, 4069332), (81, 3165036), (82, 3126438), (84, 3051999), (108, 2373777), (123, 2084292), (126, 2034666), (162, 1582518), (164, 1563219), (189, 1356444), (243, 1055012), (246, 1042146), (252, 1017333), (287, 893268), (324, 791259), (369, 694764), (378, 678222), (486, 527506), (492, 521073), (567, 452148), (574, 446634), (738, 347382), (756, 339111), (861, 297756), (919, 278964), (972, 263753), (1107, 231588), (1134, 226074), (1148, 223317), (1476, 173691), (1701, 150716), (1722, 148878), (1838, 139482), (2214, 115794), (2268, 113037), (2583, 99252), (2757, 92988), (3321, 77196), (3402, 75358), (3444, 74439), (3676, 69741), (4428, 57897), (5166, 49626), (5514, 46494), (6433, 39852), (6642, 38598), (6804, 37679), (7749, 33084), (8271, 30996), (9963, 25732), (10332, 24813), (11028, 23247), (12866, 19926), (13284, 19299), (15498, 16542)]