71236818

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{239}}^1\times {\mathrm{571}}^1$

素因数の和:847

約数の個数: 48

約数和(自身を含む): 160617600

約数和(自身を除く): 89380782

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 174, 239, 261, 478, 522, 571, 717, 1142, 1434, 1713, 2151, 3426, 4302, 5139, 6931, 10278, 13862, 16559, 20793, 33118, 41586, 49677, 62379, 99354, 124758, 136469, 149031, 272938, 298062, 409407, 818814, 1228221, 2456442, 3957601, 7915202, 11872803, 23745606, 35618409, 71236818]

約数ペア:

[(1, 71236818), (2, 35618409), (3, 23745606), (6, 11872803), (9, 7915202), (18, 3957601), (29, 2456442), (58, 1228221), (87, 818814), (174, 409407), (239, 298062), (261, 272938), (478, 149031), (522, 136469), (571, 124758), (717, 99354), (1142, 62379), (1434, 49677), (1713, 41586), (2151, 33118), (3426, 20793), (4302, 16559), (5139, 13862), (6931, 10278)]