87499986

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:145

約数の個数: 128

約数和(自身を含む): 224985600

約数和(自身を除く): 137485614

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 41, 42, 49, 51, 61, 82, 98, 102, 119, 122, 123, 147, 183, 238, 246, 287, 294, 343, 357, 366, 427, 574, 686, 697, 714, 833, 854, 861, 1029, 1037, 1281, 1394, 1666, 1722, 2009, 2058, 2074, 2091, 2499, 2501, 2562, 2989, 3111, 4018, 4182, 4879, 4998, 5002, 5831, 5978, 6027, 6222, 7259, 7503, 8967, 9758, 11662, 12054, 14063, 14518, 14637, 15006, 17493, 17507, 17934, 20923, 21777, 28126, 29274, 34153, 34986, 35014, 41846, 42189, 42517, 43554, 50813, 52521, 62769, 68306, 84378, 85034, 101626, 102459, 105042, 122549, 125538, 127551, 152439, 204918, 239071, 245098, 255102, 297619, 304878, 355691, 367647, 478142, 595238, 711382, 717213, 735294, 857843, 892857, 1067073, 1434426, 1715686, 1785714, 2083333, 2134146, 2573529, 4166666, 5147058, 6249999, 12499998, 14583331, 29166662, 43749993, 87499986]

約数ペア:

[(1, 87499986), (2, 43749993), (3, 29166662), (6, 14583331), (7, 12499998), (14, 6249999), (17, 5147058), (21, 4166666), (34, 2573529), (41, 2134146), (42, 2083333), (49, 1785714), (51, 1715686), (61, 1434426), (82, 1067073), (98, 892857), (102, 857843), (119, 735294), (122, 717213), (123, 711382), (147, 595238), (183, 478142), (238, 367647), (246, 355691), (287, 304878), (294, 297619), (343, 255102), (357, 245098), (366, 239071), (427, 204918), (574, 152439), (686, 127551), (697, 125538), (714, 122549), (833, 105042), (854, 102459), (861, 101626), (1029, 85034), (1037, 84378), (1281, 68306), (1394, 62769), (1666, 52521), (1722, 50813), (2009, 43554), (2058, 42517), (2074, 42189), (2091, 41846), (2499, 35014), (2501, 34986), (2562, 34153), (2989, 29274), (3111, 28126), (4018, 21777), (4182, 20923), (4879, 17934), (4998, 17507), (5002, 17493), (5831, 15006), (5978, 14637), (6027, 14518), (6222, 14063), (7259, 12054), (7503, 11662), (8967, 9758)]