77438556

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{337}}^1\times {\mathrm{491}}^1$

素因数の和:851

約数の個数: 72

約数和(自身を含む): 211861104

約数和(自身を除く): 134422548

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 337, 468, 491, 674, 982, 1011, 1348, 1473, 1964, 2022, 2946, 3033, 4044, 4381, 4419, 5892, 6066, 6383, 8762, 8838, 12132, 12766, 13143, 17524, 17676, 19149, 25532, 26286, 38298, 39429, 52572, 57447, 76596, 78858, 114894, 157716, 165467, 229788, 330934, 496401, 661868, 992802, 1489203, 1985604, 2151071, 2978406, 4302142, 5956812, 6453213, 8604284, 12906426, 19359639, 25812852, 38719278, 77438556]

約数ペア:

[(1, 77438556), (2, 38719278), (3, 25812852), (4, 19359639), (6, 12906426), (9, 8604284), (12, 6453213), (13, 5956812), (18, 4302142), (26, 2978406), (36, 2151071), (39, 1985604), (52, 1489203), (78, 992802), (117, 661868), (156, 496401), (234, 330934), (337, 229788), (468, 165467), (491, 157716), (674, 114894), (982, 78858), (1011, 76596), (1348, 57447), (1473, 52572), (1964, 39429), (2022, 38298), (2946, 26286), (3033, 25532), (4044, 19149), (4381, 17676), (4419, 17524), (5892, 13143), (6066, 12766), (6383, 12132), (8762, 8838)]