287425836

素因数分解:

$2^2\times 3^2\times {\mathrm{331}}^1\times {\mathrm{24121}}^1$

素因数の和:24462

約数の個数: 36

約数和(自身を含む): 728773864

約数和(自身を除く): 441348028

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 331, 662, 993, 1324, 1986, 2979, 3972, 5958, 11916, 24121, 48242, 72363, 96484, 144726, 217089, 289452, 434178, 868356, 7984051, 15968102, 23952153, 31936204, 47904306, 71856459, 95808612, 143712918, 287425836]

約数ペア:

[(1, 287425836), (2, 143712918), (3, 95808612), (4, 71856459), (6, 47904306), (9, 31936204), (12, 23952153), (18, 15968102), (36, 7984051), (331, 868356), (662, 434178), (993, 289452), (1324, 217089), (1986, 144726), (2979, 96484), (3972, 72363), (5958, 48242), (11916, 24121)]