244564257

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:286

約数の個数: 64

約数和(自身を含む): 406425600

約数和(自身を除く): 161861343

約数列:

[1, 3, 7, 19, 21, 57, 71, 89, 97, 133, 213, 267, 291, 399, 497, 623, 679, 1349, 1491, 1691, 1843, 1869, 2037, 4047, 5073, 5529, 6319, 6887, 8633, 9443, 11837, 12901, 18957, 20661, 25899, 28329, 35511, 38703, 44233, 48209, 60431, 120061, 130853, 132699, 144627, 164027, 181293, 360183, 392559, 492081, 612943, 840427, 915971, 1148189, 1838829, 2521281, 2747913, 3444567, 4290601, 11645917, 12871803, 34937751, 81521419, 244564257]

約数ペア:

[(1, 244564257), (3, 81521419), (7, 34937751), (19, 12871803), (21, 11645917), (57, 4290601), (71, 3444567), (89, 2747913), (97, 2521281), (133, 1838829), (213, 1148189), (267, 915971), (291, 840427), (399, 612943), (497, 492081), (623, 392559), (679, 360183), (1349, 181293), (1491, 164027), (1691, 144627), (1843, 132699), (1869, 130853), (2037, 120061), (4047, 60431), (5073, 48209), (5529, 44233), (6319, 38703), (6887, 35511), (8633, 28329), (9443, 25899), (11837, 20661), (12901, 18957)]