81344484

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2381}}^1$

素因数の和:2477

約数の個数: 72

約数和(自身を含む): 224565432

約数和(自身を除く): 143220948

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 73, 78, 117, 146, 156, 219, 234, 292, 438, 468, 657, 876, 949, 1314, 1898, 2381, 2628, 2847, 3796, 4762, 5694, 7143, 8541, 9524, 11388, 14286, 17082, 21429, 28572, 30953, 34164, 42858, 61906, 85716, 92859, 123812, 173813, 185718, 278577, 347626, 371436, 521439, 557154, 695252, 1042878, 1114308, 1564317, 2085756, 2259569, 3128634, 4519138, 6257268, 6778707, 9038276, 13557414, 20336121, 27114828, 40672242, 81344484]

約数ペア:

[(1, 81344484), (2, 40672242), (3, 27114828), (4, 20336121), (6, 13557414), (9, 9038276), (12, 6778707), (13, 6257268), (18, 4519138), (26, 3128634), (36, 2259569), (39, 2085756), (52, 1564317), (73, 1114308), (78, 1042878), (117, 695252), (146, 557154), (156, 521439), (219, 371436), (234, 347626), (292, 278577), (438, 185718), (468, 173813), (657, 123812), (876, 92859), (949, 85716), (1314, 61906), (1898, 42858), (2381, 34164), (2628, 30953), (2847, 28572), (3796, 21429), (4762, 17082), (5694, 14286), (7143, 11388), (8541, 9524)]