81376554

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:260

約数の個数: 96

約数和(自身を含む): 199717056

約数和(自身を除く): 118340502

約数列:

[1, 2, 3, 6, 7, 14, 21, 41, 42, 43, 49, 82, 86, 98, 123, 129, 147, 157, 246, 258, 287, 294, 301, 314, 471, 574, 602, 861, 903, 942, 1099, 1722, 1763, 1806, 2009, 2107, 2198, 3297, 3526, 4018, 4214, 5289, 6027, 6321, 6437, 6594, 6751, 7693, 10578, 12054, 12341, 12642, 12874, 13502, 15386, 19311, 20253, 23079, 24682, 37023, 38622, 40506, 45059, 46158, 47257, 74046, 86387, 90118, 94514, 135177, 141771, 172774, 259161, 270354, 276791, 283542, 315413, 330799, 518322, 553582, 630826, 661598, 830373, 946239, 992397, 1660746, 1892478, 1937537, 1984794, 3875074, 5812611, 11625222, 13562759, 27125518, 40688277, 81376554]

約数ペア:

[(1, 81376554), (2, 40688277), (3, 27125518), (6, 13562759), (7, 11625222), (14, 5812611), (21, 3875074), (41, 1984794), (42, 1937537), (43, 1892478), (49, 1660746), (82, 992397), (86, 946239), (98, 830373), (123, 661598), (129, 630826), (147, 553582), (157, 518322), (246, 330799), (258, 315413), (287, 283542), (294, 276791), (301, 270354), (314, 259161), (471, 172774), (574, 141771), (602, 135177), (861, 94514), (903, 90118), (942, 86387), (1099, 74046), (1722, 47257), (1763, 46158), (1806, 45059), (2009, 40506), (2107, 38622), (2198, 37023), (3297, 24682), (3526, 23079), (4018, 20253), (4214, 19311), (5289, 15386), (6027, 13502), (6321, 12874), (6437, 12642), (6594, 12341), (6751, 12054), (7693, 10578)]