12499998

素因数分解:

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

素因数の和:138

約数の個数: 96

約数和(自身を含む): 32060448

約数和(自身を除く): 19560450

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, 357, 366, 427, 574, 697, 714, 833, 854, 861, 1037, 1281, 1394, 1666, 1722, 2009, 2074, 2091, 2499, 2501, 2562, 2989, 3111, 4018, 4182, 4879, 4998, 5002, 5978, 6027, 6222, 7259, 7503, 8967, 9758, 12054, 14518, 14637, 15006, 17507, 17934, 21777, 29274, 34153, 35014, 42517, 43554, 50813, 52521, 68306, 85034, 101626, 102459, 105042, 122549, 127551, 152439, 204918, 245098, 255102, 297619, 304878, 367647, 595238, 735294, 892857, 1785714, 2083333, 4166666, 6249999, 12499998]

約数ペア:

[(1, 12499998), (2, 6249999), (3, 4166666), (6, 2083333), (7, 1785714), (14, 892857), (17, 735294), (21, 595238), (34, 367647), (41, 304878), (42, 297619), (49, 255102), (51, 245098), (61, 204918), (82, 152439), (98, 127551), (102, 122549), (119, 105042), (122, 102459), (123, 101626), (147, 85034), (183, 68306), (238, 52521), (246, 50813), (287, 43554), (294, 42517), (357, 35014), (366, 34153), (427, 29274), (574, 21777), (697, 17934), (714, 17507), (833, 15006), (854, 14637), (861, 14518), (1037, 12054), (1281, 9758), (1394, 8967), (1666, 7503), (1722, 7259), (2009, 6222), (2074, 6027), (2091, 5978), (2499, 5002), (2501, 4998), (2562, 4879), (2989, 4182), (3111, 4018)]