81182556

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{24781}}^1$

素因数の和:24811

約数の個数: 72

約数和(自身を含む): 252578144

約数和(自身を除く): 171395588

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 24781, 49562, 74343, 99124, 148686, 173467, 223029, 297372, 322153, 346934, 446058, 520401, 644306, 693868, 892116, 966459, 1040802, 1288612, 1561203, 1932918, 2081604, 2255071, 2899377, 3122406, 3865836, 4510142, 5798754, 6244812, 6765213, 9020284, 11597508, 13530426, 20295639, 27060852, 40591278, 81182556]

約数ペア:

[(1, 81182556), (2, 40591278), (3, 27060852), (4, 20295639), (6, 13530426), (7, 11597508), (9, 9020284), (12, 6765213), (13, 6244812), (14, 5798754), (18, 4510142), (21, 3865836), (26, 3122406), (28, 2899377), (36, 2255071), (39, 2081604), (42, 1932918), (52, 1561203), (63, 1288612), (78, 1040802), (84, 966459), (91, 892116), (117, 693868), (126, 644306), (156, 520401), (182, 446058), (234, 346934), (252, 322153), (273, 297372), (364, 223029), (468, 173467), (546, 148686), (819, 99124), (1092, 74343), (1638, 49562), (3276, 24781)]