1275991775

素因数分解:

$5^2\times {\mathrm{31}}^2\times {\mathrm{173}}^1\times {\mathrm{307}}^1$

素因数の和:552

約数の個数: 36

約数和(自身を含む): 1649722536

約数和(自身を除く): 373730761

約数列:

[1, 5, 25, 31, 155, 173, 307, 775, 865, 961, 1535, 4325, 4805, 5363, 7675, 9517, 24025, 26815, 47585, 53111, 134075, 166253, 237925, 265555, 295027, 831265, 1327775, 1475135, 1646441, 4156325, 7375675, 8232205, 41161025, 51039671, 255198355, 1275991775]

約数ペア:

[(1, 1275991775), (5, 255198355), (25, 51039671), (31, 41161025), (155, 8232205), (173, 7375675), (307, 4156325), (775, 1646441), (865, 1475135), (961, 1327775), (1535, 831265), (4325, 295027), (4805, 265555), (5363, 237925), (7675, 166253), (9517, 134075), (24025, 53111), (26815, 47585)]