256431032

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{224153}}^1$

素因数の和:224183

約数の個数: 32

約数和(自身を含む): 564868080

約数和(自身を除く): 308437048

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 224153, 448306, 896612, 1793224, 2465683, 2913989, 4931366, 5827978, 9862732, 11655956, 19725464, 23311912, 32053879, 64107758, 128215516, 256431032]

約数ペア:

[(1, 256431032), (2, 128215516), (4, 64107758), (8, 32053879), (11, 23311912), (13, 19725464), (22, 11655956), (26, 9862732), (44, 5827978), (52, 4931366), (88, 2913989), (104, 2465683), (143, 1793224), (286, 896612), (572, 448306), (1144, 224153)]