81770004

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{523}}^1$

素因数の和:677

約数の個数: 72

約数和(自身を含む): 214005792

約数和(自身を除く): 132235788

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 101, 129, 172, 202, 258, 303, 387, 404, 516, 523, 606, 774, 909, 1046, 1212, 1548, 1569, 1818, 2092, 3138, 3636, 4343, 4707, 6276, 8686, 9414, 13029, 17372, 18828, 22489, 26058, 39087, 44978, 52116, 52823, 67467, 78174, 89956, 105646, 134934, 156348, 158469, 202401, 211292, 269868, 316938, 404802, 475407, 633876, 809604, 950814, 1901628, 2271389, 4542778, 6814167, 9085556, 13628334, 20442501, 27256668, 40885002, 81770004]

約数ペア:

[(1, 81770004), (2, 40885002), (3, 27256668), (4, 20442501), (6, 13628334), (9, 9085556), (12, 6814167), (18, 4542778), (36, 2271389), (43, 1901628), (86, 950814), (101, 809604), (129, 633876), (172, 475407), (202, 404802), (258, 316938), (303, 269868), (387, 211292), (404, 202401), (516, 158469), (523, 156348), (606, 134934), (774, 105646), (909, 89956), (1046, 78174), (1212, 67467), (1548, 52823), (1569, 52116), (1818, 44978), (2092, 39087), (3138, 26058), (3636, 22489), (4343, 18828), (4707, 17372), (6276, 13029), (8686, 9414)]