266702919

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 450542592

約数和(自身を除く): 183839673

約数列:

[1, 3, 7, 17, 21, 37, 51, 61, 111, 119, 183, 259, 331, 357, 427, 629, 777, 993, 1037, 1281, 1887, 2257, 2317, 3111, 4403, 5627, 6771, 6951, 7259, 12247, 13209, 15799, 16881, 20191, 21777, 36741, 38369, 39389, 47397, 60573, 85729, 115107, 118167, 141337, 208199, 257187, 268583, 343247, 424011, 624597, 747067, 805749, 1029741, 1457393, 2241201, 2402729, 4372179, 5229469, 7208187, 12700139, 15688407, 38100417, 88900973, 266702919]

約数ペア:

[(1, 266702919), (3, 88900973), (7, 38100417), (17, 15688407), (21, 12700139), (37, 7208187), (51, 5229469), (61, 4372179), (111, 2402729), (119, 2241201), (183, 1457393), (259, 1029741), (331, 805749), (357, 747067), (427, 624597), (629, 424011), (777, 343247), (993, 268583), (1037, 257187), (1281, 208199), (1887, 141337), (2257, 118167), (2317, 115107), (3111, 85729), (4403, 60573), (5627, 47397), (6771, 39389), (6951, 38369), (7259, 36741), (12247, 21777), (13209, 20191), (15799, 16881)]